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Genrish500 [490]
3 years ago
14

4. If 3x − 1 = 11, the 2x = ? a. 20/3 b. 2 c. 4 d. 8 e. 72

Mathematics
2 answers:
vichka [17]3 years ago
7 0

Answer:

Your answer is C

Step-by-step explanation:

3(4)-1 = 11

katen-ka-za [31]3 years ago
4 0

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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