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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

3x-(7(x-3))+15-7=0



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

7(x-3)

We multiply parentheses

7x-21

Back to the equation:

-(7x-21)



We add all the numbers together, and all the variables

3x-(7x-21)+8=0

We get rid of parentheses

3x-7x+21+8=0

We add all the numbers together, and all the variables

-4x+29=0

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

-4x=-29

x=-29/-4

x=7+1/4

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