140-7x=170-5x

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Solution for 140-7x=170-5x equation:



140-7x=170-5x
We move all terms to the left:
140-7x-(170-5x)=0
We add all the numbers together, and all the variables
-7x-(-5x+170)+140=0
We get rid of parentheses
-7x+5x-170+140=0
We add all the numbers together, and all the variables
-2x-30=0
We move all terms containing x to the left, all other terms to the right
-2x=30
x=30/-2
x=-15

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