Answer to Q50
If 13 - x = y and 5 + x = y. What is y?
If 13 - x = y and 5 + x = y. Then 13 - x = 5 + x
Collecting like terms: 13 - 5 = x + x
8 = 2x
so, x = 8 ÷ 2 = 4
But the question asked for y and not x
and, 13 - x = y
y = 13 - 4 = 9
Answer: 9
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