Question

Identify the solution(s) of the system of equations, if any. 4x + 2y = 9 y = 5 - 3x

Answer 1

So I assume you have:
1. 4x + 2y = 9
2. y = 5 - 3x
These are simultaneous equations so you can substitute or use elimination so solve them. In this equation they already give us y = ... so we can substitute equation 2 into equation 1.
Therefore, we get
4x + 2(5-3x) = 9
4x + 10 - 6x = 9
-2x + 10 = 9
-2x = -1
x = 1/2

Now you can substitute x = 1/2 into equation 1 or 2 to find y. I'll substitute into 2.
y = 5 - 3(1/2) = 7/2

Answer 2

Check the attachment

Answer 3

Thanks so much everyone! I am just having trouble with re-writing the equation in order to solve for either x or y.