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25 December, 14:21

Which value of a below solves the equation: 3a + 1=-a + 3?

(1) - 6

(2) 8

(3) - 1

(4) 5

+4
Answers (1)
  1. 25 December, 14:40
    0
    None, the answer should be a=1/2

    Step-by-step explanation:

    Lets solve the system by ourselves.

    Lets sum 'a' variable to both sides of equality sign.

    We have

    4a+1=3

    Now lets subtract 1 to both sides of equality sign

    4a=2

    we obtain a=1/2.
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