3x+7+1=2(5x+1)-1

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Solution for 3x+7+1=2(5x+1)-1 equation: 



3x+7+1=2(5x+1)-1

We move all terms to the left:

3x+7+1-(2(5x+1)-1)=0

We add all the numbers together, and all the variables

3x-(2(5x+1)-1)+8=0



We calculate terms in parentheses: -(2(5x+1)-1), so:

2(5x+1)-1

We multiply parentheses

10x+2-1

We add all the numbers together, and all the variables

10x+1

Back to the equation:

-(10x+1)



We get rid of parentheses

3x-10x-1+8=0

We add all the numbers together, and all the variables

-7x+7=0

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

-7x=-7

x=-7/-7

x=1

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