Question

James earned $816 each year. He earned x dollars less per month than Matt, who earned $80 per month. Equation: 12(80 – x) = 816 x = 12; monthly earnings = $68

Answer 1

Which strategies will verify that the value for x is correct? Check all that apply.

Substitute 12 for x in the equation.

Multiply $68 by 12 months.

Explanation:

B and C

the second and third one.

Answer 2

see below

Explanation:

12(80 – x) = 816

Divide each side by 12

80-x = 816 /12

80-x = 68

Subtract 80 from each side

80-x-80 = 68-80

-x = -12

Multiply each side by -1

x = 12

James earned 80-12 = 68