15=6.4+x/3

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Solution for 15=6.4+x/3 equation: 



15=6.4+x/3

We move all terms to the left:

15-(6.4+x/3)=0

We add all the numbers together, and all the variables

-(x/3+6.4)+15=0

We get rid of parentheses

-x/3-6.4+15=0

We multiply all the terms by the denominator


-x-(6.4)*3+15*3=0

We add all the numbers together, and all the variables

-1x+25.8=0

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

-x=-25.8

x=-25.8/-1

x=25+0.8/1

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