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

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



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

We move all terms to the left:

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

We multiply parentheses

3x-(4(x+5))-21=0



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

4(x+5)

We multiply parentheses

4x+20

Back to the equation:

-(4x+20)



We get rid of parentheses

3x-4x-20-21=0

We add all the numbers together, and all the variables

-1x-41=0

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

-x=41

x=41/-1

x=-41

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