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lorasvet [3.4K]
3 years ago
8

Please help... #18 and #28

Mathematics
2 answers:
Vesna [10]3 years ago
5 0
I hope this helps you

KIM [24]3 years ago
3 0
18
19 \geq  \frac{x}{90} -25
add 25 to both side
44 \geq  \frac{x}{90}
times 90 to both sides
3960≥x


I just answerd 28
\frac{x+5}{3}  \leq 2
times both sides by 3
x+5≤6
minus 5 both sides
x≤1

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3 years ago
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2 years ago
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