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Braniac
Mathematics
31 August, 03:29
Solve: - 3x - 24 ≤ - 36 what is x equal to?
+3
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2
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Rachael Ali
31 August, 03:50
0
X < = 4
Step-by-step explanation:
-3x - 24< = - 36
Make - 3x the subject, by carrying - 24 to the other side
Note: Moving - 24 to the other side changes to + 24
-3x < = - 36 + 24
-3x < = - 12
Minus cancels minus
3x < = 12
Divide both sides by 3, to get the value of x
3x/3 < = 12/3
x < = 12/3
x < = 4
Therefore, x equals to 4
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Salvador Barron
31 August, 03:55
0
x ≥ 4
Step-by-step explanation:
To solve this inequality, we are going to follow the steps below;
first add 24 to both-side of the inequality
-3x - 24 ≤ - 36
-3x - 24 + 24 ≤ - 36 + 24
-24 + 24 will give us zero, hence our inequality becomes;
-3x ≤ - 12
Divide both-side of the inequality by - 3.
You should note that whenever you are dividing both-side of inequality by a negative sign, the inequality sign will change, if it is "≤" it becomes"≥" and if it is "≥" it becomes "≤".
-3x/-3 ≤ - 12/-3
x ≥ 4
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