0.7(40)+0.8x=0.2(40+x)

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Solution for 0.7(40)+0.8x=0.2(40+x) equation: 



0.7(40)+0.8x=0.2(40+x)

We move all terms to the left:

0.7(40)+0.8x-(0.2(40+x))=0

We add all the numbers together, and all the variables

0.8x-(0.2(x+40))+0.740=0

We add all the numbers together, and all the variables

0.8x-(0.2(x+40))+0.74=0



We calculate terms in parentheses: -(0.2(x+40)), so:

0.2(x+40)

We multiply parentheses

0.2x+8

Back to the equation:

-(0.2x+8)



We get rid of parentheses

0.8x-0.2x-8+0.74=0

We add all the numbers together, and all the variables

0.6x-7.26=0

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

0.6x=7.26

x=7.26/0.6

x=12+0.06/0.6

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