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4(x+3)-7 greater than or equal to x+3(x+1)
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4(x+3)-7 greater than or equal to x+3(x+1)

User DeanOC
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4(x+3)-7 \geq x+3(x+1) \\ \\ 4x+12-7 \geq x+3x+3 \\ \\ 4x+5 \geq 4x+3 \\ \\ 5\geq 3

So, the inequality is true for all real numbers x.

User Nick Alexeev
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