Question

Solve the system of equations.
8x−3y= −22

y=10+4x

Answer 1

Substitute y = 10 + 4x into 8x − 3y = −22:

8x − 3(10 + 4x) = −22
8x − 30 − 12x = −22
−4x − 30 = −22
−4x = 8
x = −2

Then y = 10 + 4(−2) = 2.

Solution: (x, y) = (−2, 2).