-103=-3(7x-2)-4

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Solution for -103=-3(7x-2)-4 equation: 



-103=-3(7x-2)-4

We move all terms to the left:

-103-(-3(7x-2)-4)=0



We calculate terms in parentheses: -(-3(7x-2)-4), so:

-3(7x-2)-4

We multiply parentheses

-21x+6-4

We add all the numbers together, and all the variables

-21x+2

Back to the equation:

-(-21x+2)



We get rid of parentheses

21x-2-103=0

We add all the numbers together, and all the variables

21x-105=0

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

21x=105

x=105/21

x=5

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