Question

17. If 3x - 13 = 8, the value of x – 1 is​

Answer 1

Answer:

value of x is not -1 value of x is 7

Step-by-step explanation:

3x - 13 = 8

3x=8+13

3x=21

x=21/3

x= 7

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Answer 2

Answer:

$3x - 13 = 8 \\ 3x = 8 + 13 \\ 3x = 21 \\ x = \frac{21}{3} \\ x = \underline{ \underline{7}} \\ \\ x - 1 \\ = 7 - 1 \\ = \underline{ \underline{6}}$