.7x+.1(.7+x)=30

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Solution for .7x+.1(.7+x)=30 equation: 



.7x+.1(.7+x)=30

We move all terms to the left:

.7x+.1(.7+x)-(30)=0

We add all the numbers together, and all the variables

.7x+.1(x+0.7)-30=0

We multiply parentheses

.7x+0.1x+0.07-30=0

We add all the numbers together, and all the variables

0.8x-29.93=0

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

0.8x=29.93

x=29.93/0.8

x=37+0.33/0.8

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