x*2-5=80

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Solution for x*2-5=80 equation: 



x*2-5=80

We move all terms to the left:

x*2-5-(80)=0

We add all the numbers together, and all the variables

x*2-85=0

Wy multiply elements

2x-85=0

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

2x=85

x=85/2

x=42+1/2

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