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0.5x+3+0.4x-5=36
We move all terms to the left:
0.5x+3+0.4x-5-(36)=0
We add all the numbers together, and all the variables
0.9x-38=0
We move all terms containing x to the left, all other terms to the right
0.9x=38
x=38/0.9
x=42+0.2/0.9
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