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fgiga [73]
3 years ago
13

Ab + a - b when a = 3, and b = 7

Mathematics
2 answers:
Harrizon [31]3 years ago
5 0

Answer:

17

Step-by-step explanation:

ab + a - b (sub numbers)

(3)(7) + 3 - 7 (multiply)

21 + 3 - 7 (add/subtract left to right)

17

Roman55 [17]3 years ago
4 0

Answer:

17

Step-by-step explanation:

(3 × 7) + 3 - 7

21 + 3 - 7

24 - 7

17

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