Answer:
The number y decreased by 12.
Step-by-step explanation:
Expand the right side:


Notice that 98 = 2 * 7 * 7, so we have
and
.
Then

and

Answer:
14+5 = 19
19 + 15/2
15/2 = 7.5
19+7.5 = 26.5
Just remember PEMDAS!
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Step-by-step explanation: