Solve for One Variable Coefficient

Find the solution:
10 = 4x - 2

• x = 3

• x = 2

• x = -3

• x = -2

Kylie and Ricardo decide to start a dog watching business for their neighborhood. Kylie thinks it would be best to charge customers $27 for a membership and then $5 per time they walk a dog. Ricardo thinks it would be best to charge $8 per dog walk. For what number of walks will their two plans cost the same amount of money?

Mathematical Equivalence

ON

What is the next step to solve this equation?
3x - 5 = 7

• Add 5 to both sides of the equation

• Add 3x to both sides of the equation

• Subtract 5 from both sides of the equation

• Subtract 7 from both sides of the equation

Solve the equation.

3x + 2(4x - 4) = 3

• x = 4

• x = 3

• x = 2

• x = 1

Solve the equation.

-11 + 3(b + 5) = 7

• b = 1

• b = -1

• b = 3

• b = -3

Solve the equation.

8 (7-y) = -24

• y= 2

• y= 10

• y= 15

• y= -5

Solve the equation.

-4 (8+5n) = 8

• n= -4

• n= 3

• n= -2

• n= 1

Solve the equation.

6(3x-5) -7x=25

• x= 5

• x= 6

• x= -5

• x= -6

Solve the equation.

22 - 5 (6v-1) = -63

• v= -5

• v= -2

• v= 8

• v= 3

The number before a variable is the _____.

• term

• constant

• coefficient

• variable