Question

200-150=5×
$200 - 150 = \\ 50 \\ 5 \times 10 = \\ 50 \: is \: the \: answer$
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Answer 1

Explanation:

if 50 is 5 times 10 then 10 is the answer not 50

Answer 2

200-150=5×10

50=50

LHS=RHS

Hence 5×10

So 10 is the answer

Hope it helps you.