0.8x-0.3(40+x)=0.7(40)

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Solution for 0.8x-0.3(40+x)=0.7(40) equation: 



0.8x-0.3(40+x)=0.7(40)

We move all terms to the left:

0.8x-0.3(40+x)-(0.7(40))=0

We add all the numbers together, and all the variables

0.8x-0.3(x+40)-(0.74)=0

We add all the numbers together, and all the variables

0.8x-0.3(x+40)-0.74=0

We multiply parentheses

0.8x-0.3x-12-0.74=0

We add all the numbers together, and all the variables

0.5x-12.74=0

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

0.5x=12.74

x=12.74/0.5

x=25+0.24/0.5

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