3x(1+0.5)-x=20

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Solution for 3x(1+0.5)-x=20 equation: 



3x(1+0.5)-x=20

We move all terms to the left:

3x(1+0.5)-x-(20)=0

We add all the numbers together, and all the variables

3x(1.5)-x-20=0

We add all the numbers together, and all the variables

-1x+3x(1.5)-20=0

We multiply parentheses

-1x+4.5x-20=0

We add all the numbers together, and all the variables

3.5x-20=0

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

3.5x=20

x=20/3.5

x=5+2.5/3.5

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