3 years ago

2) (89° + 10a + 2) = (a + 1)

Mathematics

1 answer:

LenaWriter [7]3 years ago

8 0

Answer:

a = -10

Step-by-step explanation:

89 + 10a + 2 = a + 1

91 + 10a = a + 1

9a = - 90

a = -10

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