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Sagot :
Answer:
the 1st option
Step-by-step explanation:
addition, so the sum of something
3x, three times a number
+4, and four
First, write the expression
✔ 5 + 2a – 7
.
Second,
✔ substitute
8 in for the variable, a.
Third,
✔ simplify
by using
✔ order of operations
.
The answer is
✔ 14
.
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