.5(12+3x)=42

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Solution for .5(12+3x)=42 equation: 



.5(12+3x)=42

We move all terms to the left:

.5(12+3x)-(42)=0

We add all the numbers together, and all the variables

.5(3x+12)-42=0

We multiply parentheses

1.5x+6-42=0

We add all the numbers together, and all the variables

1.5x-36=0

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

1.5x=36

x=36/1.5

x=24

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