118,599 views
16 votes
16 votes
Substitution.
-3x - 2y = -12
y = 5x - 7

User Surya Matadewa
by
3.1k points

1 Answer

12 votes
12 votes

Answer:

-3x-2(5x-7)=-12

-3x-10x+14=-12

-13x+14=-12

-13x=-16

x=2

User Hdioui Abdeljalil
by
3.1k points