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motikmotik
2 years ago
5

Please help!!!! thanks

Mathematics
1 answer:
g100num [7]2 years ago
5 0
B. 2a -21 = 1

2/3 a -7 = 1/3

Multiply through by 3

(2/3 a)(3) -(7x3) = 1/3 x 3

2a - 21 = 1
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