anggar20
06.03.2020 •
Mathematics
9a + 15 = 10a - 7
Solve please
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Ответ:
a = 22
Step-by-step explanation:
9a + 15 = 10a - 7
Step 1: combine like terms
9a - 10a= -7 -15
-1a = -22
a = 22
Ответ: