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14.2+x=240-x
We move all terms to the left:
14.2+x-(240-x)=0
We add all the numbers together, and all the variables
x-(-1x+240)+14.2=0
We get rid of parentheses
x+1x-240+14.2=0
We add all the numbers together, and all the variables
2x-225.8=0
We move all terms containing x to the left, all other terms to the right
2x=225.8
x=225.8/2
x=112+1/1.1111111111111
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