Question

Solve the system of equations.
2x+6y=−18

x=5y−1
(1 point)

Answer 1

Substitute x = 5y − 1 into 2x + 6y = −18:

2(5y − 1) + 6y = −18
10y − 2 + 6y = −18
16y = −16
y = −1

Then x = 5(−1) − 1 = −6.

Solution: (x, y) = (−6, −1).