lexigirlmarie03
lexigirlmarie03 lexigirlmarie03
  • 04-09-2019
  • Mathematics
contestada

help me solve for 11 and 12 please

help me solve for 11 and 12 please class=

Respuesta :

InLoveWithPugs
InLoveWithPugs InLoveWithPugs
  • 04-09-2019

Answer:

11. 7

12. -2

Step-by-step explanation:

11. 3x + 9 = 44 - 2x

        -9       -9

3x = 35 - 2x

+2x        +2x

5x = 35

-----  ------

 5       5

x = 7

12. 3x + 6 = x + 2

            -6         -6

3x = x - 4

-x     -x

2x = -4

----   -----

2       2

x = -2

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