jadekellycupcak762 jadekellycupcak762
  • 25-01-2021
  • Mathematics
contestada

Solve each linear equation for x. (A) –12x + 9 = –15x x = (B) 4.5x + 11.5 = 8.5x + 3.5 x = (C) 23x – 9 = 13x x =

Respuesta :

adioabiola
adioabiola adioabiola
  • 28-01-2021

Answer:

A. x = -3

B. x = 2

C. x = 9/10

Step-by-step explanation:

(A) –12x + 9 = –15x

Collect like terms

9 = -15x + 12x

9 = -3x

x = 9 / -3

x = -3

(B) 4.5x + 11.5 = 8.5x + 3.5

4.5x - 8.5x = 3.5 - 11.5

-4x = -8

x = -8 / -4

x = 2

(C) 23x – 9 = 13x

-9 = 13x - 23x

-9 = -10x

x = -9 / -10

x = 9/10

Answer Link
madeforratart
madeforratart madeforratart
  • 27-09-2021

Answer:

A) x= -3

B) x = -2

C) x = 27

Explanation: I did the lesson

Answer Link

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