Question

Solve by the substitution method. Show your work for full credit. y = 3x – 12 2x – 3y = -13

Answer 1

Hello
y=3x-12
2x-3(3x-12)=-13
==>2x-9x+36=-13
==>-7x=-49
==>x=7
y=3*7-12
==>y=9