15x-40=80

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Solution for 15x-40=80 equation: 



15x-40=80

We move all terms to the left:

15x-40-(80)=0

We add all the numbers together, and all the variables

15x-120=0

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

15x=120

x=120/15

x=8

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