-4(8x-7)+18x=31x-2*(90+28x)-45

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Solution for -4(8x-7)+18x=31x-2*(90+28x)-45 equation: 



-4(8x-7)+18x=31x-2(90+28x)-45

We move all terms to the left:

-4(8x-7)+18x-(31x-2(90+28x)-45)=0

We add all the numbers together, and all the variables

-4(8x-7)+18x-(31x-2(28x+90)-45)=0

We add all the numbers together, and all the variables

18x-4(8x-7)-(31x-2(28x+90)-45)=0

We multiply parentheses

18x-32x-(31x-2(28x+90)-45)+28=0



We calculate terms in parentheses: -(31x-2(28x+90)-45), so:

31x-2(28x+90)-45

We multiply parentheses

31x-56x-180-45

We add all the numbers together, and all the variables

-25x-225

Back to the equation:

-(-25x-225)



We add all the numbers together, and all the variables

-14x-(-25x-225)+28=0

We get rid of parentheses

-14x+25x+225+28=0

We add all the numbers together, and all the variables

11x+253=0

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

11x=-253

x=-253/11

x=-23

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