x= 5 is the anwer :) yay
Adding 4 plus x for example.
This is the equation:
18 = 2(4 + x)
18 = 8 + 2x
18 - 8 = 2x
10 = 2x
10 / 2 = x
5 = x
You can analyze the equation, and than see steps that where not included.
Hope it helped,
Happy homework/ study/ exam!
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