40x=30(x+1)

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Solution for 40x=30(x+1) equation: 



40x=30(x+1)

We move all terms to the left:

40x-(30(x+1))=0



We calculate terms in parentheses: -(30(x+1)), so:

30(x+1)

We multiply parentheses

30x+30

Back to the equation:

-(30x+30)



We get rid of parentheses

40x-30x-30=0

We add all the numbers together, and all the variables

10x-30=0

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

10x=30

x=30/10

x=3

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