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-4.3x+7=-4.5x+9
We move all terms to the left:
-4.3x+7-(-4.5x+9)=0
We get rid of parentheses
-4.3x+4.5x-9+7=0
We add all the numbers together, and all the variables
0.2x-2=0
We move all terms containing x to the left, all other terms to the right
0.2x=2
x=2/0.2
x=10
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