genyjoannerubiera
07.10.2021 •
Mathematics
Add (3d+2)+(4d+9) ixl
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Ответ:
7d+11
Step-by-step explanation:
Pretty much just addition.
3d+4d+2+9
(3d+2)+(4d+9) = 7d+11.
Ответ:
Steps:
(3d + 2) + (4d + 9)
3d + 2 + 4d + 9
7d+ 11
Ответ:
Step-by-step explanation:
3x-12=12x
-12=12x-3x
-12=9x
-12/9=x
-4/3=x
x=-4/3