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x=8-0.21x
We move all terms to the left:
x-(8-0.21x)=0
We add all the numbers together, and all the variables
x-(-0.21x+8)=0
We get rid of parentheses
x+0.21x-8=0
We add all the numbers together, and all the variables
1.21x-8=0
We move all terms containing x to the left, all other terms to the right
1.21x=8
x=8/1.21
x=6+0.74/1.21
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