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150-3.5x=150-3.5(40)
We move all terms to the left:
150-3.5x-(150-3.5(40))=0
We add all the numbers together, and all the variables
-3.5x+150-(146.46)=0
We add all the numbers together, and all the variables
-3.5x+3.54=0
We move all terms containing x to the left, all other terms to the right
-3.5x=-3.54
x=-3.54/-3.5
x=1+0.04/3.5
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