How would I work this question? x+10y = - 9 and x=5y+21

Question

Osvaldo Dean

Mathematics

27 December, 16:33

How would I work this question? x+10y = - 9 and x=5y+21

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Gonzales · Answer 1

what you do is you want to get the x by it self so you would subtract the x and put it on the other side. like this: 10y=-9-x. OK so you would subtract - 9 and put it on the other side like this: 9 + 10y=-x. but you can't have a negative x so u would do - 9 + 10y=x.