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AlekseyPX
3 years ago
11

Solve: 9x-7≤28+4x;x€W​

Mathematics
2 answers:
Natasha_Volkova [10]3 years ago
4 0

Answer:

z ≤ 7

Step-by-step explanation:

9x - 7 ≤ 28 + 4x

9x - 4x ≤ 28 + 7

5x ≤ 35

x ≤ 35 / 5

x ≤ 7

UkoKoshka [18]3 years ago
4 0

we have 9x - 7 ≤ 28 + 4x

⇔9x - 4x ≤ 28 +7

⇔5x ≤ 35

⇔x ≤ 7

ok done. Thank to me :>

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