Solve y = x - 3 and 2y = 3x - 8

Question

Justus Campbell

Mathematics

31 August, 11:56

Solve y = x - 3 and 2y = 3x - 8

+3

Answers (2)

Know the Answer?

Scooby · Answer 1

Y=x-3

2y=3x-8

plug in y

2 (x-3) = 3x-8

simplify

2x-6=3x-8

+8 both sides

2x+2=3x

-2x both sides

2=x

plug in to solve for y

y=2-3

y=-1

check if correct

2 (-1) = 3 (2) - 8

-2=6-8

-2=-2

true

x=2

y=-1

Issac · Answer 2

Y = x - 3

2y = 3x - 8

2 (x - 3) = 3x - 8

2x - 6 = 3x - 8

-2x - 2x

-6 = x - 8

+8 + 8

2 = x

to find y you plug x in an equation

y = x - 3

y = 2 - 3

y = - 1