3 years ago

Solve the following linear inequality: 3(x + 4) ≥ 5x – 123

2 answers:

6 0

$3(x+4)\geq5x-123\\3\cdot x+3\cdot4\geq5x-123\\3x+12\geq5x-123\ \ \ \ /-12\\3x\geq5x-135\ \ \ \ /-5x\\-2x\geq-135\ \ \ /:(-2) < 0\ then\ "\geq"\ change\ "\leq"\\x\leq67.5\\\\x\in(-\infty;\ 67.5 >$

bagirrra123 [75]3 years ago

3 0

$3(x + 4) \geq 5x - 123 \\
3x+12\geq5x-123\\
2x\leq135\\
x\leq\frac{135}{2}
$

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