how do you solve -2(5+6c)+16=90

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1 Answer

how do you solve -2(5+6c)+16=90

-2(5 + 6c) + 16 = 90
-10 - 12c + 16 = 90
-12c + 6 = 90
-12c = 84
c = -7

Always check.

-2(5 + 6c) + 16 = 90
-2(5 + 6(-7)) + 16 = 90
-2(5 - 42) + 16 = 90
-2(-37) + 16 = 90
74 + 16 = 90
90 = 90

Answer: c = -7

 

by Level 11 User (78.4k points)

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