40-2x=4

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Solution for 40-2x=4 equation:



40-2x=4
We move all terms to the left:
40-2x-(4)=0
We add all the numbers together, and all the variables
-2x+36=0
We move all terms containing x to the left, all other terms to the right
-2x=-36
x=-36/-2
x=+18

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