7=3-4(2x+5)

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Solution for 7=3-4(2x+5) equation: 



7=3-4(2x+5)

We move all terms to the left:

7-(3-4(2x+5))=0



We calculate terms in parentheses: -(3-4(2x+5)), so:

3-4(2x+5)

determiningTheFunctionDomain
-4(2x+5)+3

We multiply parentheses

-8x-20+3

We add all the numbers together, and all the variables

-8x-17

Back to the equation:

-(-8x-17)



We get rid of parentheses

8x+17+7=0

We add all the numbers together, and all the variables

8x+24=0

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

8x=-24

x=-24/8

x=-3

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