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1 answer:
Answer:
x =-16
Step-by-step explanation:
Given the equation
-3x - 21 = 27
We are to find the next step in solving the equation
Step 1: Add 21 to both sides
-3x - 21 + 21 = 27 + 21
-3x = 48
Step 2: Divide both sides by -3
-3x/3 = 48/3
-x = 16
x = -16
Hence the value of x is -16
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I'm not sure but... here you go
X^2−9=0
Add 9 to both sides.
x^2−9+9=0+9
x^2=9
Take square root.
x=±√9
x=3 or x=−3
Answer:
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Answer:
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