-2x-100=1x-400

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Solution for -2x-100=1x-400 equation:



-2x-100=1x-400
We move all terms to the left:
-2x-100-(1x-400)=0
We add all the numbers together, and all the variables
-2x-(x-400)-100=0
We get rid of parentheses
-2x-x+400-100=0
We add all the numbers together, and all the variables
-3x+300=0
We move all terms containing x to the left, all other terms to the right
-3x=-300
x=-300/-3
x=+100

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