3(5x-7)=-4(9-10x)

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Solution for 3(5x-7)=-4(9-10x) equation: 



3(5x-7)=-4(9-10x)

We move all terms to the left:

3(5x-7)-(-4(9-10x))=0

We add all the numbers together, and all the variables

3(5x-7)-(-4(-10x+9))=0

We multiply parentheses

15x-(-4(-10x+9))-21=0



We calculate terms in parentheses: -(-4(-10x+9)), so:

-4(-10x+9)

We multiply parentheses

40x-36

Back to the equation:

-(40x-36)



We get rid of parentheses

15x-40x+36-21=0

We add all the numbers together, and all the variables

-25x+15=0

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

-25x=-15

x=-15/-25

x=3/5

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