Answer:
9+10-4+78= 93
Step-by-step explanation:
According to pemdas, we would just add/subtract across. So we will complete these steps:
Step 1:
9+10-4+78
19-4+78
Step 2:
19-4+78
15+78
Step 3:
15+78
93
In conclusion, the answer is 93.
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