0.65(80)+0.8x=0.7(80+x)

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Solution for 0.65(80)+0.8x=0.7(80+x) equation: 



0.65(80)+0.8x=0.7(80+x)

We move all terms to the left:

0.65(80)+0.8x-(0.7(80+x))=0

We add all the numbers together, and all the variables

0.8x-(0.7(x+80))+0.6580=0

We add all the numbers together, and all the variables

0.8x-(0.7(x+80))+0.658=0



We calculate terms in parentheses: -(0.7(x+80)), so:

0.7(x+80)

We multiply parentheses

0.7x+56

Back to the equation:

-(0.7x+56)



We get rid of parentheses

0.8x-0.7x-56+0.658=0

We add all the numbers together, and all the variables

0.1x-55.342=0

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

0.1x=55.342

x=55.342/0.1

x=553+0.041999999999994/0.1

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