0.1(x-1)+0.2(x+1)=7

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Solution for 0.1(x-1)+0.2(x+1)=7 equation: 



0.1(x-1)+0.2(x+1)=7

We move all terms to the left:

0.1(x-1)+0.2(x+1)-(7)=0

We multiply parentheses

0.1x+0.2x-0.1+0.2-7=0

We add all the numbers together, and all the variables

0.3x-6.9=0

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

0.3x=6.9

x=6.9/0.3

x=23+8.881784197E-16/0.3

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