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0.03x+0.02(x+2000)=-50
We move all terms to the left:
0.03x+0.02(x+2000)-(-50)=0
We add all the numbers together, and all the variables
0.03x+0.02(x+2000)+50=0
We multiply parentheses
0.03x+0.02x+40+50=0
We add all the numbers together, and all the variables
0.05x+90=0
We move all terms containing x to the left, all other terms to the right
0.05x=-90
x=-90/0.05
x=-1800
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