Answer:
Step-by-step explanation:
2 Solve for yy in 19y+90=-519y+90=−5.
y=-5
y=−5
3 Substitute y=-5y=−5 into x=3y+18x=3y+18.
x=3
4 Therefore,
\begin{aligned}&x=3\\&y=-5\end{aligned}
7.9m questions
10.5m answers