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for each value of u, determine whether it is a solution to -15 = 1 - 4u
u
2 - is it a solution ?
-9 is it a solution ?
-6 is it a solution ?
4 is it a solution ?

Respuesta :

yahboigary

Answer:

1. No

2. No

3. No

4. Yes

Step-by-step explanation:

Plug each option into u then solve the equation and see if the answer matches -15.

Ex. -15 = 1 -4 (2)

     -15 = 1 -8

     -15 = -7

     -15 does not equal -7 therefore it is false. Use Pemdas to solve.

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