What is the answer to the problems below?

1.) 3x=-90

2.) -3x=15
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1 Answer

 

1.) 3x=-90
Dividing both sides by 3 gives you the solution for 1 x.
x=-90/3 = -30.

2.) -3x=15
again divide both sides by 3
-x=15/3 = 5
but you need +ve x so multiply both sides by -1 (swap signs)
x=-5
by Level 3 User (4.6k points)

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