.3(x+20)-0.05(x-10)=16.5

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Solution for .3(x+20)-0.05(x-10)=16.5 equation: 



.3(x+20)-0.05(x-10)=16.5

We move all terms to the left:

.3(x+20)-0.05(x-10)-(16.5)=0

We add all the numbers together, and all the variables

.3(x+20)-0.05(x-10)-16.5=0

We multiply parentheses

0.3x-0.05x+6+0.5-16.5=0

We add all the numbers together, and all the variables

0.25x-10=0

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

0.25x=10

x=10/0.25

x=40

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