Question

3х + 4y = - 23
х = 3y+1
Solve systems of equations!

Answer 1

Answer:

$3(3y + 1) + 4y = - 23 \\ 9y + 3 + 4y = - 23 \\ 9y + 4y = - 23 - 3 \\ \frac{13y}{13y} = \frac{ - 26}{13} = - 2$