7(x+3)-20x=4(x+1)-25

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Solution for 7(x+3)-20x=4(x+1)-25 equation: 



7(x+3)-20x=4(x+1)-25

We move all terms to the left:

7(x+3)-20x-(4(x+1)-25)=0

We add all the numbers together, and all the variables

-20x+7(x+3)-(4(x+1)-25)=0

We multiply parentheses

-20x+7x-(4(x+1)-25)+21=0



We calculate terms in parentheses: -(4(x+1)-25), so:

4(x+1)-25

We multiply parentheses

4x+4-25

We add all the numbers together, and all the variables

4x-21

Back to the equation:

-(4x-21)



We add all the numbers together, and all the variables

-13x-(4x-21)+21=0

We get rid of parentheses

-13x-4x+21+21=0

We add all the numbers together, and all the variables

-17x+42=0

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

-17x=-42

x=-42/-17

x=2+8/17

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