-87.96=4(2.1x-7.5)+5.4x

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Solution for -87.96=4(2.1x-7.5)+5.4x equation: 



-87.96=4(2.1x-7.5)+5.4x

We move all terms to the left:

-87.96-(4(2.1x-7.5)+5.4x)=0



We calculate terms in parentheses: -(4(2.1x-7.5)+5.4x), so:

4(2.1x-7.5)+5.4x

We add all the numbers together, and all the variables

5.4x+4(2.1x-7.5)

We multiply parentheses

5.4x+8x-30

We add all the numbers together, and all the variables

13.4x-30

Back to the equation:

-(13.4x-30)



We get rid of parentheses

-13.4x+30-87.96=0

We add all the numbers together, and all the variables

-13.4x-57.96=0

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

-13.4x=57.96

x=57.96/-13.4

x=-4+3.2058823529412/9.8529411764706

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