-21.5=3.5(2x-7.5)

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Solution for -21.5=3.5(2x-7.5) equation: 



-21.5=3.5(2x-7.5)

We move all terms to the left:

-21.5-(3.5(2x-7.5))=0



We calculate terms in parentheses: -(3.5(2x-7.5)), so:

3.5(2x-7.5)

We multiply parentheses

7x-26.25

Back to the equation:

-(7x-26.25)



We get rid of parentheses

-7x+26.25-21.5=0

We add all the numbers together, and all the variables

-7x+4.75=0

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

-7x=-4.75

x=-4.75/-7

x=2.7142857142857/4

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