Solve for x
x=50000
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x+x\times 0+20000=70000
Multiply 0 and 2 to get 0.
x+0+20000=70000
Anything times zero gives zero.
x+20000=70000
Add 0 and 20000 to get 20000.
x=70000-20000
Subtract 20000 from both sides.
x=50000
Subtract 20000 from 70000 to get 50000.
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