Evaluate, simplify, or solve
Simplify: −10(x − 7) −7(x + 2)
-17x+56
Evaluate z ÷ 6 + x + x − 5; use x = 1, and z = 6
-2
Evaluate: p(q ÷ 3 −p); use p = −6, and q = −3
-30
Solve: |3x-4|+5<27
-6 < x < 26/3
Solve: 4|2x+3|-7<9
-7/2 < x < 1/2
Evaluate y +z + 2; use y = −6, and z=5
1
Simplify: 7(1 + 9x) −8(−5x − 6)
103x+55
Simplify: 3[2(x-3)+2]+5(x-3)
11x-27
Evaluate 6 + q + 5 −(q −p) + 15; use p = 1, and q = 1
27
Simplify: −8x +6(10 + 6x)
28x+60
Solve: 12-3(2x+1)=7x-3(7+x)
3
Solve: 12-2(3x+1)=4x-5
3/2
Write and solve an equation: The measures of an angle and its complement differ by 22 degrees. Find the measure of the smaller angle.
34
Evaluate: x(z + 3) + 1 + 3 −y; use x = 6, y = −5, and z = 2
39
Write and solve and equation: The length of a rectangle is 3 cm greater than its width. The perimeter is 24 cm. Find the width.
4.5
Solve: 0.2(x+3)-4(2x-3)=3.4
46/39
Simplify: 9(7x + 8) +3(x − 10)
66x+40
Simplify: −9 −6(−x + 5)
6x-39
Simplify: −10(−8x + 9) − 8x
72x-90
Simplify: −2(−6x − 9) −4(x + 9)
8x-18
Simplify: 1 +4(2 − 3x)
9-12x
Evaluate: −3 ÷ 3(a +c(b + 5) −(−6 +a)); use a = 1, b = −6, and c = −4
-10
Solve: 3|5x-1|+9<23
-11/15 < x < 17/15
Solve: -2|x+4|<22
all real numbers
Solve: -6(2x-10)+12x<180
all real numbers
Solve: -7(3x-7)+21x>50
no solution
Write and solve an inequality: The length of a picture frame is 3 in. greater than the width. The perimeter is less than 52 in. Describe the width, x.
x< 11.5
Solve: 2|4x-1|+6>20
x<-3/2 or x>2