3(x+5)-x=-4(x+9)

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



3(x+5)-x=-4(x+9)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1x+3(x+5)-(-4(x+9))=0

We multiply parentheses

-1x+3x-(-4(x+9))+15=0



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

-4(x+9)

We multiply parentheses

-4x-36

Back to the equation:

-(-4x-36)



We add all the numbers together, and all the variables

2x-(-4x-36)+15=0

We get rid of parentheses

2x+4x+36+15=0

We add all the numbers together, and all the variables

6x+51=0

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

6x=-51

x=-51/6

x=-8+1/2

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