3(5+x)=9(2-x)

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Solution for 3(5+x)=9(2-x) equation: 



3(5+x)=9(2-x)

We move all terms to the left:

3(5+x)-(9(2-x))=0

We add all the numbers together, and all the variables

3(x+5)-(9(-1x+2))=0

We multiply parentheses

3x-(9(-1x+2))+15=0



We calculate terms in parentheses: -(9(-1x+2)), so:

9(-1x+2)

We multiply parentheses

-9x+18

Back to the equation:

-(-9x+18)



We get rid of parentheses

3x+9x-18+15=0

We add all the numbers together, and all the variables

12x-3=0

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

12x=3

x=3/12

x=1/4

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