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0.75x-2.8=0.65-0.4x
We move all terms to the left:
0.75x-2.8-(0.65-0.4x)=0
We add all the numbers together, and all the variables
0.75x-(-0.4x+0.65)-2.8=0
We get rid of parentheses
0.75x+0.4x-0.65-2.8=0
We add all the numbers together, and all the variables
1.15x-3.45=0
We move all terms containing x to the left, all other terms to the right
1.15x=3.45
x=3.45/1.15
x=3+4.4408920985006E-16/1.15
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