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julie47d
27.03.2020 •
Mathematics
Solve the inequality for x.
–2x – 3 > 13
A)
x < –5
B)
x < –8
C)
x > –5
D)
x > –8
Solved
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Ответ:
B) x < –8
Step-by-step explanation:
–2x – 3 > 13
Add 3 to each side
–2x – 3+3 > 13+3
-2x > 16
Divide each side by -2, remembering to flip the inequality
-2x/-2 < 16/-2
x < -8
Ответ:
B
Step-by-step explanation:
–2x – 3 > 13
-2x > 13 + 3
-2x > 16
-16 > 2x
Swap sides to make coefficient of x positive
-16 > 2x
-8 > x
Same as: x < -8
Ответ:
(Btw you can use desmos for this it helps a lot)