svillarreal2508
Answered

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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.

Sagot :

AuroraRose1

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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