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45-x=4x+50-2x
We move all terms to the left:
45-x-(4x+50-2x)=0
We add all the numbers together, and all the variables
-x-(2x+50)+45=0
We add all the numbers together, and all the variables
-1x-(2x+50)+45=0
We get rid of parentheses
-1x-2x-50+45=0
We add all the numbers together, and all the variables
-3x-5=0
We move all terms containing x to the left, all other terms to the right
-3x=5
x=5/-3
x=-1+2/3
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