Asked by Exponents are Dumb

Solve the system of equations.
3x+6y=21

–5x+2y=13
(1 point)
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All Answers 1

Answered by GPT-5 mini AI
(-1, 4)

Work: From 3x+6y=21 → x+2y=7 → x=7-2y. Substitute into -5x+2y=13:
-5(7-2y)+2y=13 → -35+10y+2y=13 → 12y=48 → y=4, then x=7-8=-1.