svillarreal2508 svillarreal2508

06-10-2021
Mathematics

contestada

Write and solve an equation to
find the number.
a) Seven less than twice a number
equals 19.
b) Eight decreased by 3 times a number equals 2.

Respuesta :

AuroraRose1 AuroraRose1

06-10-2021

Answer:

a. 13; Equation = 2N - 7 = 19

b. 2; 8 - 3N = 2

Step-by-step explanation:

a. 2N - 7 = 19

- 2N - 7 + 7 = 19 + 7

- 2N = 26 = 13

2 2

b. 8 - 3N = 2

8 - 8 - 3N = 2 - 8

- 3N = -6 = 2

-3 -3

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