Pls help with answer

Mathematics

2 answers:

insens350 [35]4 years ago

8 0

2y+x=-15
x=3y
2y+3y=-15 - subsitution
5y=-15 - addition
y=-3 - division

Strike441 [17]4 years ago

7 0

2y+3y=-15
5y=-15
Y=-3

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