-263=-7(5a+8)+3

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Solution for -263=-7(5a+8)+3 equation: 



-263=-7(5a+8)+3

We move all terms to the left:

-263-(-7(5a+8)+3)=0



We calculate terms in parentheses: -(-7(5a+8)+3), so:

-7(5a+8)+3

We multiply parentheses

-35a-56+3

We add all the numbers together, and all the variables

-35a-53

Back to the equation:

-(-35a-53)



We get rid of parentheses

35a+53-263=0

We add all the numbers together, and all the variables

35a-210=0

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

35a=210

a=210/35

a=6

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