Substitution in Algebra, Combine Like Terms, Algebraic Expressions
6+4c-17-7c
-11-3c
11
-2q - 6r + 3y (q = 5 , r = -3 , y = 1)
26
-4r + 2w (r = -2 , w = 9)
1
-5r + 11 (r = 2)
34
10/r + 4t (r = 5 , t = 8)
70
10a (a = 7)
-4
10a - 4b (a = 2 , b= 6)
-39
10a - 5ab - 3b (a = 0.5 , b = 8)
-6
10f - g/3 + fg (f = 0.1 , g = 30)
27
10g - 13 (g = 4)
Evaluate 3x-4 when x=5
11
3+4y+10-3y
13+y
11+2b+6
17+2b
2 + 7x
2 plus the product of x and 7
Evaluate 6r + 9 when r=2
21
6
2a + b (a = 1, b = 4)
-14
2a - 4b (a = 3 , b = 5)
-2
2c - 2d (c = 10, d = 11)
-11
2d + 3 (d = -7)
3m+10+4f-m+9
2m+19+4f
-10
2w + 4r - 9t (w = 3 , r = 5 , t = 4)
-28
2wd + 3w (w = -4 , d = 2)
17
2ws + 5s - 2w (w = 0.5 , s = 3)
Double a number increased by five
2x + 5
The difference of twice a number and five
2x - 5
2x + 3
3 more than twice x
14
3d/4 + 2 (d = 16)
16
3m + p (m = 5, p = 1)
Triple a number increased by twelve
3x + 12
Evaluate 12- c when c= 8
4
7+e+5y-3+4e
4+5e+5y
Evaluate 5y when y=9
45
5.4
4e + eg (e = 0.6 , g = 5)
1.4
4h + 6g - 10gh (h = 0.1 , g = 0.2)
-19
4k + 1 (k = -5)
30
4m + 10 (m = 5)
ten less than the product of 4 and r
4r - 10
-19.2
4r - 6t + 2rt (r = 0.4 , t = 4)
37
4rt - 3t +6r (r = 2 , t = 5)
-7
4t - 7w + 3d (t = 5 , w = 3 , d = -2)
a number times 4 plus 10
4v + 10
The product of 5 and a number
5b
three less than the product of 5 and k
5k-3
59
5t/2 - 3r + 7f (t = 12 , r = 2 , f = 5)
-5
5w (w = -1)
-8
6e - 20 (e = 2)
Evaluate (7u)/9 when u=9
7
3x - 7
7 less than 3 times x
2x + 7
7 more than x doubled
x - 7
7 subtracted from x
Evaluate 63+d when d= 10
73
2a+3b+5a-7b+4y
7a-4b+4y
35
7f (f = 5)
22
7f - 8g (f = 2 , g = -1)
5k-3+3k+8+4d-k
7k+5+4d
45
7y - xy (y = 5 , x = -2)
The quotient of nine and a number
9/y
8m+n+m+8n
9m+9n
2x+3y+7x
9x+3y
The product of nine and a number
9y
Variable
A letter representing an unknown number
7x - 3
Difference of 7 times x and 3
8 / n
Eight divided by a number
5n
Fives times a number
30y - 4
Four less than 30 times y
5n - 1
One less than five times a number
5n - 1
One less than five times n
3n + 6
Six more than three times a number
Like Terms
Terms whose variables and exponents are the same
7x
The product of 7 and x
3x + 7
The sum of 7 and three times x
z + 3
Three more than z
3n - 8
Three times a number minus 8
2n - 2
Two less than two times a number
A letter which stands in place of a number
Variable
The sum of a number and 11
a + 11
3
a/2 (a = 6)
-30
ab (a = 10, b = -3)
-0.4
ab - 6a (a = 0.2 , b = 4)
5
d/3 (d = 15)
Combine
group numbers/letters that are the same
4
h - 11 (h = 15)
48
m - 2 (m = 50)
5 minus n divided by 4
n/4 - 5
2
p/10 (p = 20)
25
s + 4h (s = 13, h = 3)
0
s - 8 (s = 8)
Coefficient
the number in a term next to the variable
w+9j-6+5j-2j
w+12j-6
A number increased by two.
x + 2
Six more than a number
x + 6
14 less than a number
x - 14
the difference of x and 3
x - 3
The sum of half a number and four
x/2 + 4
A number squared
x²
A number decreased by sixteen
y - 16
32 + z
z more than 32
