80+x/2=100

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Solution for 80+x/2=100 equation: 



80+x/2=100

We move all terms to the left:

80+x/2-(100)=0

We add all the numbers together, and all the variables

x/2-20=0

We multiply all the terms by the denominator


x-20*2=0

We add all the numbers together, and all the variables

x-40=0

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

x=40

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