Question

What is the power of x in this equation 2x + 9 = 21?
a.2
b.6
c.9
d.15

Answer 1

X = 6

Explanation:

Answer 2

b. 6

Explanation:

2x + 9 = 21

then you subtract 9 from each side

2x = 12

then you divide 2 from each side

x = 6

Hope this helps dude ! ^-^