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amid [387]
3 years ago
7

Solve each question -2+| b+7 |=8

Mathematics
2 answers:
Nataly_w [17]3 years ago
4 0

Answer:

- 2 +  |b + 7|  = 8 \\ b + 7 = 10 \\ b = 3

dalvyx [7]3 years ago
3 0

| b+7 | = 10; you add 2 on both sides.

| b+7 | is always positive

b+7 = 10, b = 10-7= 3.

therefore b = 3

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