3x+x-3=4(x+3)-15

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Solution for 3x+x-3=4(x+3)-15 equation: 



3x+x-3=4(x+3)-15

We move all terms to the left:

3x+x-3-(4(x+3)-15)=0

We add all the numbers together, and all the variables

4x-(4(x+3)-15)-3=0



We calculate terms in parentheses: -(4(x+3)-15), so:

4(x+3)-15

We multiply parentheses

4x+12-15

We add all the numbers together, and all the variables

4x-3

Back to the equation:

-(4x-3)



We get rid of parentheses

4x-4x+3-3=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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