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11.07.2019 •
Mathematics
5/2 (7x-15)+x> 13/2-3/2
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Ответ:
5(7x - 15) + 2x ≥ 13x - 3 multiplied both sides by 2 to clear the denominator
35x - 75 + 2x ≥ 13 x - 3 distributed 5 into 7x-15
37x - 75 ≥ 13x - 3 added like terms (35x and 2x)
24x - 75 ≥ -3 subtracted 13x from both sides
24x ≥ 72 added 75 to both sides
x ≥ 3 divided both sides by 24
x ≥ 3 Notation: [3, ∞)
Ответ: