Question

The value of x in this system of equations is 1.

3x + y = 9
y=-4x + 10
1. Substitute the value of y in the first equation:
3x + (-4x + 10) = 9
- x + 10 = 9
2. Combine like terms:
3. Apply the subtraction property of equality:
-X=-1
4. Apply the division property of equality:
What is the value of y?
y =

Answer 1

y = 6

Explanation:

3(1) + y = 9

3 + y = 9

3 + 6 = 9

9 = 9 √

Hope this helps! :)