Solve the system of equations.

6x−3y=−6

9x−3y=−18(1 point)

1 answer

To solve this system of equations, we can use the method of substitution or elimination.

Let's choose to use the method of substitution.

From the first equation, we can isolate y:
6x - 3y = -6
-3y = -6 - 6x
y = 2 + 2x

Now, we substitute this value of y into the second equation:
9x - 3(2 + 2x) = -18
9x - 6 - 6x = -18
3x - 6 = -18
3x = -12
x = -4

Now that we have found the value of x, we can substitute it back into the equation y = 2 + 2x:
y = 2 + 2(-4)
y = 2 - 8
y = -6

Therefore, the solution to the system of equations is x = -4 and y = -6.