15-x=4.5

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Solution for 15-x=4.5 equation:



15-x=4.5
We move all terms to the left:
15-x-(4.5)=0
We add all the numbers together, and all the variables
-1x+10.5=0
We move all terms containing x to the left, all other terms to the right
-x=-10.5
x=-10.5/-1
x=10+0.5/1

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