50=7x+3(-5x-10)

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Solution for 50=7x+3(-5x-10) equation: 



50=7x+3(-5x-10)

We move all terms to the left:

50-(7x+3(-5x-10))=0



We calculate terms in parentheses: -(7x+3(-5x-10)), so:

7x+3(-5x-10)

We multiply parentheses

7x-15x-30

We add all the numbers together, and all the variables

-8x-30

Back to the equation:

-(-8x-30)



We get rid of parentheses

8x+30+50=0

We add all the numbers together, and all the variables

8x+80=0

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

8x=-80

x=-80/8

x=-10

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