3(x+1)-4=3(2x+1)-7x

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Solution for 3(x+1)-4=3(2x+1)-7x equation: 



3(x+1)-4=3(2x+1)-7x

We move all terms to the left:

3(x+1)-4-(3(2x+1)-7x)=0

We multiply parentheses

3x-(3(2x+1)-7x)+3-4=0



We calculate terms in parentheses: -(3(2x+1)-7x), so:

3(2x+1)-7x

We add all the numbers together, and all the variables

-7x+3(2x+1)

We multiply parentheses

-7x+6x+3

We add all the numbers together, and all the variables

-1x+3

Back to the equation:

-(-1x+3)



We add all the numbers together, and all the variables

3x-(-1x+3)-1=0

We get rid of parentheses

3x+1x-3-1=0

We add all the numbers together, and all the variables

4x-4=0

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

4x=4

x=4/4

x=1

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