.5(7+3x)=80

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Solution for .5(7+3x)=80 equation: 



.5(7+3x)=80

We move all terms to the left:

.5(7+3x)-(80)=0

We add all the numbers together, and all the variables

.5(3x+7)-80=0

We multiply parentheses

1.5x+3.5-80=0

We add all the numbers together, and all the variables

1.5x-76.5=0

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

1.5x=76.5

x=76.5/1.5

x=51

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