
Tabitha D. answered 02/20/20
Tutor
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Experienced Prealgebra Tutor Who Can Explain ‘Why’
Let’s break this down piece by piece:
Twice (2x) the difference of a number and 8 (n - 8) is (=) 2.
2(n - 8) = 2
Solve:
Divide both sides by 2:
n - 8 = 1
Add 8 to both sides:
n = 9
Plug it back in to check:
2(9 - 8) = 2
2(1) = 2
2 = 2