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Temka [501]
2 years ago
10

2 times the sum of a number and 4 is no more than three times the sum of a number and 7 decreased by 4

Mathematics
1 answer:
anygoal [31]2 years ago
5 0
2(x+4) \geq 3((x+7)-4) \\ 2x+8 \geq 3(x+7)-12 \\ 2x+8 \geq 3x+21-12 \\ 2x+8 \geq 3x+9 \\ 2x \geq 3x+1 \\ -x \geq 1 \\ x \leq -1
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