Question

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Answer 1

9 is supposed to be 7

Explanation:

8 + 2 = 10

10 × 7 = 70

70 - 7 = 63

Answer 2

Explanation:

Solve parts of equation in order:

Brackets

Indices

Division

Multiplication

Addition

Subtraction

8 + 2 x 7 - 9 = 63

8 + (2 x 7) - 9 not = 63 (multiplication is the first thing that applies to this equation)

(8 + 14) - 9 not = 63

22 - 9 = 13

So the error would be it equals 13 not 63