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4.5x+.2(x+450)=40.79
We move all terms to the left:
4.5x+.2(x+450)-(40.79)=0
We add all the numbers together, and all the variables
4.5x+.2(x+450)-40.79=0
We multiply parentheses
4.5x+0.2x+90-40.79=0
We add all the numbers together, and all the variables
4.7x+49.21=0
We move all terms containing x to the left, all other terms to the right
4.7x=-49.21
x=-49.21/4.7
x=-10+1/2.1266968325792
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