Question

$89 + 55y9 \div 8(87)$
y+9=89 what is 87+y=​

Answer 1

Answer:

hope you got it thanks answer is in attachment

Answer 2

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The correct pattern is - 11, + 9 -7, + 5, -3, +1.

So,86 is wrong and must be replaced by (78 + 9) i..e. 89.