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x+(145-x)/2=145
We move all terms to the left:
x+(145-x)/2-(145)=0
We add all the numbers together, and all the variables
x+(-1x+145)/2-145=0
We multiply all the terms by the denominator
x*2+(-1x+145)-145*2=0
We add all the numbers together, and all the variables
x*2+(-1x+145)-290=0
Wy multiply elements
2x+(-1x+145)-290=0
We get rid of parentheses
2x-1x+145-290=0
We add all the numbers together, and all the variables
x-145=0
We move all terms containing x to the left, all other terms to the right
x=145
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