volocibel
23.10.2019 •
Mathematics
D- 10 - 2d + 7 = 8 + d - 10 - 3d. solve for d.
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Ответ:
d= 1
Step-by-step explanation:
d - 10 - 2d + 7 = 8 + d - 10 - 3d
First move the numbers with the same variables to the same sides.
Simplify.
d-2d-d+3d=10-7+8-10
d=1
Ответ: