x-9-2-3-what-is-x-

Question Number 888 by Karting7442 last updated on 14/Apr/15

\frac{x + 9}{2} = 3

w h a t i s x ?

Answered by 123456 last updated on 14/Apr/15

\frac{x + 9}{2} = 3

\frac{x + 9}{2} \times 2 = 3 \times 2

x + 9 = 6

x + 9 - 9 = 6 - 9

x = - 3

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