Question 1 Report
If 55x + 52x = 7710 find X
Answer Details
5*X1 + 5*X∘ ∘ + 5*X1 + 2*X∘ ∘ = 77 (change to base 10) 5*X + 5*1 + 5*X + 2*1 = 77 5X + 5 + 5X + 2 = 77 10X + 7 = 77 10X = 77-7 10X = 70 X = 70/10 X = 7
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