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4x - 7 > 17

Add '7' to both sides

Hence

4x > 24

Divide both sides by '4'

Hence

x > 6

Verification ; When x = 7

4(7) - 7 = 28 - 7 = 21 which greater than 17. So its true.

NB Treat inequalities like an 'equals' sign , except when calculating with negative numbers or fractions, whereupon turn the sign around.

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lenpollock

Lvl 16
1y ago

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