2.5(3x+9)-2x=15x-4(x-5)

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Solution for 2.5(3x+9)-2x=15x-4(x-5) equation: 



2.5(3x+9)-2x=15x-4(x-5)

We move all terms to the left:

2.5(3x+9)-2x-(15x-4(x-5))=0

We add all the numbers together, and all the variables

-2x+2.5(3x+9)-(15x-4(x-5))=0

We multiply parentheses

-2x+7.5x-(15x-4(x-5))+22.5=0



We calculate terms in parentheses: -(15x-4(x-5)), so:

15x-4(x-5)

We multiply parentheses

15x-4x+20

We add all the numbers together, and all the variables

11x+20

Back to the equation:

-(11x+20)



We add all the numbers together, and all the variables

5.5x-(11x+20)+22.5=0

We get rid of parentheses

5.5x-11x-20+22.5=0

We add all the numbers together, and all the variables

-5.5x+2.5=0

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

-5.5x=-2.5

x=-2.5/-5.5

x=2.5/5.5

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