Equations Review

(1/2)g + 2g - (3/4)g + 7

(7/4)g + 7

4 - 8n + 7n - 3n - 9

-4n - 5

Find the larger of two consecutive integers, x, if the sum of the smaller and the larger is -9. Write an equation and solve.

-5, -4

-0.9y + 4.4y - 3.2y

0.3y

Maria's brother, Joe, is three years less than twice Maria's age. Joe is 19 years old. How old is Maria?

11 years old

16b + 5c - 10 - 8c + 2b

18b - 3c - 10

Trey weighs 7 pounds less than his brother. Together they weigh 119 pounds. How much does Trey weigh?

56 pound

6(2c -4) = 36

c = 5

(2/3)c + 6 = 12

c = 9

-14 + 3d = 13

d = 9

7k = 91

k = 13

5.2n - 3.8 = -14.2

n = -2

-2 ( 10 - (n/2)) = 5

n = 25

-12p = 78

p = -6.5

1.5(p-4) = 12

p = 12

(1/2)q = -24

q = -48

-0.4r = 16

r = -40

6 + (s/2) = 19

s = 26

3(7x+14)=84

x = 2

Find the smaller of two consecutive integers, x, if the sum of the smaller and the larger is 15. Write and solve.

x = 7