marissa354675 marissa354675

15-04-2021
Mathematics

contestada

-2x - 5 = -11
-2x+6x-8=12

Respuesta :

yangkidenka565 yangkidenka565

15-04-2021

Answer:

i) 3

ii) 5

Step-by-step explanation:

i) -2x -5 = -11

-2x = -11 + 5

-2x = -6

x = -6 ÷ -2

= 3

ii) -2x + 6x - 8 = 12

-2x + 6x = 12 + 8

-2x + 6x = 20

(-2 + 6) x = 20

4x = 20

x = 20 ÷ 4

= 5

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