0.25=(80-x)/20

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Solution for 0.25=(80-x)/20 equation:



0.25=(80-x)/20
We move all terms to the left:
0.25-((80-x)/20)=0
We add all the numbers together, and all the variables
-((-1x+80)/20)+0.25=0
We multiply all the terms by the denominator
-((-1x+80)+(0.25)*20)=0
We calculate terms in parentheses: -((-1x+80)+(0.25)*20), so:
(-1x+80)+(0.25)*20
We add all the numbers together, and all the variables
(-1x+80)+5
We get rid of parentheses
-1x+80+5
We add all the numbers together, and all the variables
-1x+85
Back to the equation:
-(-1x+85)
We get rid of parentheses
1x-85=0
We add all the numbers together, and all the variables
x-85=0
We move all terms containing x to the left, all other terms to the right
x=85

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