what does a equal? what is the value of a?
-8a + 6a + 42 = 1 -2a + 42 - 42 = 1 - 42 -2a = -41 a = 20.5 Proof: -8(20.5) + 6(20.5 + 7) = 1 -164 + 123 + 42 = 1 165 - 164 = 1
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