498,217 views
30 votes
30 votes
Simultaneous Equations
5x-6y=-4
5x+2y=-12

User Anubhav C
by
3.2k points

1 Answer

14 votes
14 votes
Subtract equation 1 from equation 2:
5x - 6y - (5x + 2y) = -4 - (-12)
-8y = -4 + 12
-8y = 8
y = -1
Plug y into any of the equations to find x. Plugging into the first equation:
5x - 6(-1) = -4
5x + 6 = -4
5x = -10
x = -2

Hope this helps!
User Rharishan
by
2.6k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.