7x+140=90

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Solution for 7x+140=90 equation: 



7x+140=90

We move all terms to the left:

7x+140-(90)=0

We add all the numbers together, and all the variables

7x+50=0

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

7x=-50

x=-50/7

x=-7+1/7

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