Question

If 3x-1 + 3x+1 = 90, then x is equal to
a.0
b.1
c.3
d.2​

Answer 1

Answer:

15

Step-by-step explanation:

3x-1+3x+1=90

6x=90

x=90÷6

x=15

Answer 2

3x-1+3x+1=90

6x=90

x=90/6

x=15

Correct answer is 15 but it is not given in options.