4. If 3x − 1 = 11, the 2x = ?
a. 20/3
b. 2
c. 4
d. 8
e. 72
2 answers:
Answer:
Your answer is C
Step-by-step explanation:
3(4)-1 = 11
Answer:
d. 8
Step-by-step explanation:
3x − 1 = 11
add 1 to both sides
3x = 12
Divide both sides by 3
x = 4
-----------------
2x = 2*4 = 8
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