100=2x+-4

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Solution for 100=2x+-4 equation:



100=2x+-4
We move all terms to the left:
100-(2x+-4)=0
We add all the numbers together, and all the variables
-(2x-4)+100=0
We get rid of parentheses
-2x+4+100=0
We add all the numbers together, and all the variables
-2x+104=0
We move all terms containing x to the left, all other terms to the right
-2x=-104
x=-104/-2
x=+52

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