343=-8(-5x-2)+7

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Solution for 343=-8(-5x-2)+7 equation: 



343=-8(-5x-2)+7

We move all terms to the left:

343-(-8(-5x-2)+7)=0



We calculate terms in parentheses: -(-8(-5x-2)+7), so:

-8(-5x-2)+7

We multiply parentheses

40x+16+7

We add all the numbers together, and all the variables

40x+23

Back to the equation:

-(40x+23)



We get rid of parentheses

-40x-23+343=0

We add all the numbers together, and all the variables

-40x+320=0

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

-40x=-320

x=-320/-40

x=+8

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