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0.4+0.25(90-x)=34
We move all terms to the left:
0.4+0.25(90-x)-(34)=0
We add all the numbers together, and all the variables
0.25(-1x+90)+0.4-34=0
We add all the numbers together, and all the variables
0.25(-1x+90)-33.6=0
We multiply parentheses
-0.25x+22.5-33.6=0
We add all the numbers together, and all the variables
-0.25x-11.1=0
We move all terms containing x to the left, all other terms to the right
-0.25x=11.1
x=11.1/-0.25
x=-44+0.1/0.25
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