7X=10(7-x)-3

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Solution for 7X=10(7-x)-3 equation: 



7X=10(7-X)-3

We move all terms to the left:

7X-(10(7-X)-3)=0

We add all the numbers together, and all the variables

7X-(10(-1X+7)-3)=0



We calculate terms in parentheses: -(10(-1X+7)-3), so:

10(-1X+7)-3

We multiply parentheses

-10X+70-3

We add all the numbers together, and all the variables

-10X+67

Back to the equation:

-(-10X+67)



We get rid of parentheses

7X+10X-67=0

We add all the numbers together, and all the variables

17X-67=0

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

17X=67

X=67/17

X=3+16/17

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