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-4x+8=9x+-13.5
We move all terms to the left:
-4x+8-(9x+-13.5)=0
We add all the numbers together, and all the variables
-4x-(9x-13.5)+8=0
We get rid of parentheses
-4x-9x+13.5+8=0
We add all the numbers together, and all the variables
-13x+21.5=0
We move all terms containing x to the left, all other terms to the right
-13x=-21.5
x=-21.5/-13
x=1+5.6666666666667/8.6666666666667
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