Solving Linear Equations by Combining Like Terms

Solve the following equation for p.

−0.75p − 4 = 0.25p

• p = -4

• p = 4

Solve.

• x = 12

• x = 24

• x = 4

• x = 9

3r + 7 = 10r + 28

• -3

• 3

• 5

• -5

What is the solution to the equation 3(2x - 5) = x + 10?

• 9

• 6

• 8

• 5

3 ( a + 22 ) = 12a + 30

• a = 8

• a = 2

• a = 4

• a = -2

Solve:

2(2x + 3) = -6(x + 9)

• 2

• 6

• -6

• 7.5

3c + 5 = 23

• c = 3

• c = 6

• c = 7

• c = 18

Five less than twice a number is equivalent to 47. 

• 5 - 2x = 47 

• 2x - 5 = 47 

• 5x - 2 = 47 

• 2 - 5x = 47 

x - (-1) = 11

• x = 10

• x = 12

• x = -10

• x = 11

You bought a $5 magazine and four

erasers. You spent a total of $25. How

much did each eraser cost?

• 5+x=25

• 4x + 5 = 25

• 5x = 25

• 5x + 4 = 25