20(x+1)=15(x+1)

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Solution for 20(x+1)=15(x+1) equation: 



20(x+1)=15(x+1)

We move all terms to the left:

20(x+1)-(15(x+1))=0

We multiply parentheses

20x-(15(x+1))+20=0



We calculate terms in parentheses: -(15(x+1)), so:

15(x+1)

We multiply parentheses

15x+15

Back to the equation:

-(15x+15)



We get rid of parentheses

20x-15x-15+20=0

We add all the numbers together, and all the variables

5x+5=0

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

5x=-5

x=-5/5

x=-1

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