0.75(8x+12)=-21

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Solution for 0.75(8x+12)=-21 equation: 



0.75(8x+12)=-21

We move all terms to the left:

0.75(8x+12)-(-21)=0

We add all the numbers together, and all the variables

0.75(8x+12)+21=0

We multiply parentheses

6x+9+21=0

We add all the numbers together, and all the variables

6x+30=0

We move all terms containing x to the left, all other terms to the right

6x=-30

x=-30/6

x=-5

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