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17-09-2019
Mathematics

contestada

which expression is equivalent to 19 - 27 a. 27 - 19 b. -19 + 27 c. 19 + -27 d. -19 + 27

Respuesta :

17-09-2019

Answer:

c.19 + -27

Step-by-step explanation:

you do kcc (keep change change) and you keep the first number flip the sign and then change the positive 2 a negative

Answer Link

17-09-2019

Answer:

c. 19 + -27

Step-by-step explanation:

We know:

a - b = a + (-b)

a + b = b + a

19 - 27 = 19 + (-27) = (-27) + 19 = -27 + 19

Answer Link

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