y=(100-0,8y)

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Solution for y=(100-0,8y) equation:



y=(100-0.8y)
We move all terms to the left:
y-((100-0.8y))=0
We add all the numbers together, and all the variables
y-((-0.8y+100))=0
We calculate terms in parentheses: -((-0.8y+100)), so:
(-0.8y+100)
We get rid of parentheses
-0.8y+100
Back to the equation:
-(-0.8y+100)
We get rid of parentheses
y+0.8y-100=0
We add all the numbers together, and all the variables
1.8y-100=0
We move all terms containing y to the left, all other terms to the right
1.8y=100
y=100/1.8
y=55+1/1.8

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