-6x+3y=-39 -6x-3y=-21 solve the system of equations

asked Nov 6, 2022 200k views

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5 votes

The answer is the one on top

Scenia answered Nov 8, 2022

5.4k points

5 votes

Answer:

x=5,y=-3

Explanation:

$\left \{ {{-6x+3y=-39} \atop {-6x-3y=-21}} \right. \\-12x=-60\\12x=60\\x=(60)/(12) \\x=5$

$-6(5)+3y=-39\\-30+3y=-39\\3y=-39+30\\3y=-9\\y=-(9)/(3) \\y=-3$

Peakmuma answered Nov 11, 2022

4.6k points

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