Question

What is -3x-5y=6
y=-3​

Answer 1

x = 3

Explanation:

1) Substitute -3 for y in the equation:

-3x - 5(-3) = 6

2) Simplify, two negatives multiplied equals a positive.

-3x + 15 = 6

3) Solve for x, first subtract 15 from both sides

-3x - 15 + 15 = 6 - 15

-3x = -9

4) Solve for x, divide both sides by - 3

-3x/-3 = -9/-3

x = 3