Work Step by Step
After using the addition method, we get $2x-y=1$ $8x-4y=4$ This gives: $9x=18$ or, $x=2$ when $x=2$ then we have $2(2)-y=1 \implies y=3$ Hence, our answers are: $(2,3)$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.