решите неравенство -8x-5(-3-10x)≥ -2x-3. Created by IAmRainbowPrincess. algebra-ru

решите неравенство -8x-5(-3-10x)≥ -2x-3...

IAmRainbowPrincess @IAmRainbowPrincess

October 2021 2 4 Report

решите неравенство -8x-5(-3-10x)≥ -2x-3

wangross -8х-5(-3-10х)≥ -2х -3
-8х +15 +50х≥ -2х-3
42х+15≥-2х-3
42х+2х≥-3-15
44х≥-18
х≥-18/44
х≥- 9/22
х ∈ [-9/22;+∞)

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zhenyaM2002

Verified answer

$-8x-5(-3-10x) \geq -2x-3 \\ -8x+15+50x \geq -2x-3 \\ 42x+15 \geq -2x-3 \\ 42x+2x \geq -3-15 \\ 44x \geq -18 \\ x \geq - \frac{9}{22}$

Ответ: $x\in[- \frac{9}{22} ;+\infty)$

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