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13 votes
−2x − 10 = 15 I'm really un smart

User Smamran
by
7.2k points

1 Answer

1 vote

Answer:

x = -12.5

Explanation:

your goal is to get x alone so

-2x - 10 = 15

(add ten to both sides)

-2x = 25

(divide -2 to both sides)

x = -12.5

remember that whatever u do to one side of the equation, you have to do to the other so they even out!

User Ruchama
by
6.7k points