21+.80x=117

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Solution for 21+.80x=117 equation: 



21+.80x=117

We move all terms to the left:

21+.80x-(117)=0

We add all the numbers together, and all the variables

.80x-96=0

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

.80x=96

x=96/.80

x=120

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