Isolate the x. Subtract 3x from both sides, and add 4 to both sides
-2x (-3x) - 4 (+4) < 3x (-3x) + 21 (+4)
-2x - 3x < 21 + 4
Simplify. Combine like terms
-5x < 25
Isolate the x. Divide -5 from both sides (remember to flip the sign).
-5x/-5 < 25/-5
x > 25/-5
x > -5
x > -5 is your answer
hope this helps
Answer:
y=-3
Step-by-step explanation:
5x+7y=-31
(-) 5x-9y+17
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16y=-48
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16 16
y=-3
Answer:
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Answer:15
Step-by-step explanation: 7 and a half times 2 is 15
Answer: plug in y=mx + b
Step-by-step explanation: