8=0.4x+7.5

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Solution for 8=0.4x+7.5 equation: 



8=0.4x+7.5

We move all terms to the left:

8-(0.4x+7.5)=0

We get rid of parentheses

-0.4x-7.5+8=0

We add all the numbers together, and all the variables

-0.4x+0.5=0

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

-0.4x=-0.5

x=-0.5/-0.4

x=1+0.1/0.4

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