120+0.30x=0.90x

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Solution for 120+0.30x=0.90x equation:



120+0.30x=0.90x
We move all terms to the left:
120+0.30x-(0.90x)=0
We add all the numbers together, and all the variables
0.30x-(+0.90x)+120=0
We get rid of parentheses
0.30x-0.90x+120=0
We add all the numbers together, and all the variables
-0.6x+120=0
We move all terms containing x to the left, all other terms to the right
-0.6x=-120
x=-120/-0.6
x=+200

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