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If 3x + 6 = 21, what is the value of x? - Practice (English) | ObjectiveMcq
Practice
Math
Algebra
If 3x + 6 = 21, what is the value o...
Algebra
Math
Easy
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If 3x + 6 = 21, what is the value of x?
A
3
B
5
C
7
D
9
Correct Answer:
(B) 5
Explanation:
3x + 6 = 21 → 3x = 15 → x = 5.
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