X = age of Mikhail
x+x-12 = 36
2x= 36 + 12
2x = 48
x = 48/2
x= 24
Answer: THE first one
Step-by-step explanation:
The first one should be done first because it follows the PEMDAS format. So parentheses is the operation has to be done first according to pemdas.
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I got 78.66, is there an answer choice like that?
1). 8h + 3•8= 8h+ 24
2). 3•2h+3•7= 6h+21