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0.5(x+50)+0.9x=74
We move all terms to the left:
0.5(x+50)+0.9x-(74)=0
We add all the numbers together, and all the variables
0.9x+0.5(x+50)-74=0
We multiply parentheses
0.9x+0.5x+25-74=0
We add all the numbers together, and all the variables
1.4x-49=0
We move all terms containing x to the left, all other terms to the right
1.4x=49
x=49/1.4
x=35
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