Register
Simultaneous Equations 5x-6y=-4 5x+2y=-12
148k views
23 votes
Simultaneous Equations
5x-6y=-4
5x+2y=-12

User Reality Displays
by
4.5k points

1 Answer

5 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 Meet
by
4.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.7m questions

6.2m answers

Other Questions

Pizza planet is running a special 3 pizzas for 16.50. What is the unit rate for one pizza
I need to simplify this expression.
Which property is shown in the problem below? -8(x-3y-9) = -8x+24y+72 A the associative property B the commutative property C the distributive property D the division property ASAP
What is the domain and range?
What does translation means in math? I am taking a quiz on this right now, I need an answer ASAP!!!!!!
Link Copied!