Solve for x
x\geq 100
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12.5\times 8\leq x
Multiply both sides by 8. Since 8 is positive, the inequality direction remains the same.
100\leq x
Multiply 12.5 and 8 to get 100.
x\geq 100
Swap sides so that all variable terms are on the left hand side. This changes the sign direction.
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