9 - 2x ≤ x + 45
- 2x +-x ≤ -9 + 45
-3x ≤ 36
- x ≤ 12
semoga membantu^^
9-2x ≤ x +45
-2x-x ≤ 45-9
x ≤ 12
maaf kalau salah
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9 - 2x ≤ x + 45
- 2x +-x ≤ -9 + 45
-3x ≤ 36
- x ≤ 12
semoga membantu^^
9-2x ≤ x +45
-2x-x ≤ 45-9
-3x ≤ 36
x ≤ 12
maaf kalau salah