Solve for x
x=80067.5
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0.8\times 100000=x-67.5
Multiply both sides by 100000.
80000=x-67.5
Multiply 0.8 and 100000 to get 80000.
x-67.5=80000
Swap sides so that all variable terms are on the left hand side.
x=80000+67.5
Add 67.5 to both sides.
x=80067.5
Add 80000 and 67.5 to get 80067.5.
Examples
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Limits
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