zach21380 zach21380

12-12-2019
Mathematics

contestada

8 + (3 + ?) = 30 I need y'all's help

Respuesta :

xeailia913 xeailia913

12-12-2019

Answer:

19

Step-by-step explanation:

Answer Link

luanaderp luanaderp

12-12-2019

Answer:

? = 19

Step-by-step explanation:

I prefer using x instead of ?, but I guess they can both work in this case.

8 + 3 + ? = 30 -given equation

11 + ? = 30 -add

? = 19 -subtract 11 from both sides to leave ? alone

Answer Link

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