3 years ago

Is u = - 1/2 a solution of 8u - 1 = 6u

Mathematics

2 answers:

saul85 [17]3 years ago

6 0

Answer: No.

Step-by-step explanation: Sub -1/2 in for u in the equation:

8(-1/2) - 1 =6(-1/2)

=-4-1 = -3

-5=-3 which is false, so it is not a solution

kakasveta [241]3 years ago

5 0

Answer:

Step-by-step explanation:

Plugging in -1/2 for u:

8(-1/2) - 1 = 6(-1/2)

-4 - 1 = -3

-5 = -3 ... these are not equal

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