x+0.7x=90

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Solution for x+0.7x=90 equation:



x+0.7x=90
We move all terms to the left:
x+0.7x-(90)=0
We add all the numbers together, and all the variables
1.7x-90=0
We move all terms containing x to the left, all other terms to the right
1.7x=90
x=90/1.7
x=52+1/1.0625

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