.1x+.7(30-x)=10.2

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Solution for .1x+.7(30-x)=10.2 equation: 



.1x+.7(30-x)=10.2

We move all terms to the left:

.1x+.7(30-x)-(10.2)=0

We add all the numbers together, and all the variables

.1x+.7(-1x+30)-(10.2)=0

We add all the numbers together, and all the variables

.1x+.7(-1x+30)-10.2=0

We multiply parentheses

.1x-0.7x+21-10.2=0

We add all the numbers together, and all the variables

-0.6x+10.8=0

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

-0.6x=-10.8

x=-10.8/-0.6

x=18+1.7763568394003E-15/0.6

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