qweerttu67 qweerttu67

12-09-2016
Mathematics

contestada

Help me please -3c-12=-5+c

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AikaTanako AikaTanako

12-09-2016

We would add 12 to both sides

-3c - 12 + 12 = -5 + c + 12

Refine it to

-3c = c + 7

Then subtract C from both sides

-3c - c = c + 7 - c

Refine it to

-4c = 7

Divide both sides by -4

-4c/-4 = 7/-4

Then Refine t

c = -7/4

The decimal would then be c = -1.75

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