10(2.1q-2)=(7.5q+18)

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Solution for 10(2.1q-2)=(7.5q+18) equation: 



10(2.1q-2)=(7.5q+18)

We move all terms to the left:

10(2.1q-2)-((7.5q+18))=0

We multiply parentheses

20q-((7.5q+18))-20=0



We calculate terms in parentheses: -((7.5q+18)), so:

(7.5q+18)

We get rid of parentheses

7.5q+18

Back to the equation:

-(7.5q+18)



We get rid of parentheses

20q-7.5q-18-20=0

We add all the numbers together, and all the variables

12.5q-38=0

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

12.5q=38

q=38/12.5

q=3+0.5/12.5

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