7x-4=2(2x+5)+1

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Solution for 7x-4=2(2x+5)+1 equation: 



7x-4=2(2x+5)+1

We move all terms to the left:

7x-4-(2(2x+5)+1)=0



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

2(2x+5)+1

We multiply parentheses

4x+10+1

We add all the numbers together, and all the variables

4x+11

Back to the equation:

-(4x+11)



We get rid of parentheses

7x-4x-11-4=0

We add all the numbers together, and all the variables

3x-15=0

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

3x=15

x=15/3

x=5

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