How do you use substitution to solve

y=12

2x-y=4

Question

Joslyn

Mathematics

11 February, 17:45

How do you use substitution to solve

y=12

2x-y=4

+2

Answers (1)

Know the Answer?

Ingrid Acosta · Answer 1

y = 12.

Put the value of y to the equation 2x - y = 4:

2x - 12 = 4 add 12 to both sides

2x = 16 divide both sides by 2

x = 8

Answer: x = 8 and y = 12

How do you use substitution to solvey=122x-y=4

How do you use substitution to solve

y=12

2x-y=4