0.1(x+20)-0.02(x-10)=-1.8

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Solution for 0.1(x+20)-0.02(x-10)=-1.8 equation: 



0.1(x+20)-0.02(x-10)=-1.8

We move all terms to the left:

0.1(x+20)-0.02(x-10)-(-1.8)=0

We add all the numbers together, and all the variables

0.1(x+20)-0.02(x-10)+1.8=0

We multiply parentheses

0.1x-0.02x+2+0.2+1.8=0

We add all the numbers together, and all the variables

0.08x+4=0

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

0.08x=-4

x=-4/0.08

x=-50

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