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pochemuha
3 years ago
15

Solve for a, 7-a=3 A.10 B.4 C.2 D5

Mathematics
2 answers:
Tcecarenko [31]2 years ago
5 0

Answer:

B

Step-by-step explanation:

Vika [28.1K]2 years ago
5 0

7 - a + 3

subtract 7 from both sides.

-a = 3 - 7

add like terms (3 + - 7)

-a = -4

divide both sides by -1. (remember that in front of the a, a 1 is there.)

a = 4

answer: b. 4

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