.4x+5=7x+20

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Solution for .4x+5=7x+20 equation: 



.4x+5=7x+20

We move all terms to the left:

.4x+5-(7x+20)=0

We get rid of parentheses

.4x-7x-20+5=0

We add all the numbers together, and all the variables

-6.6x-15=0

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

-6.6x=15

x=15/-6.6

x=-2+1/3.66666666667

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