Question
Solve 55c + 13 ≤ 75c + 39
- c≤
- c ≥ −
- c≤
The correct answer is: c ≥ −
55c + 13 ≤ 75c + 39
first we have to rearrange this inequality
75c + 39
75c - 55c
20c
now we have to divided by 20 both side
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multiply or divide by a negative number it will change the sign of inequality
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here inequality sign will change because we are multiplying by a negative number
when we multiply by positive number inequality sign will not change
when we multiply by positive number inequality sign will not change