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13.06.2020 •
Mathematics
Explain why this statement is true:
7a +4 – 2a = 7a + (-20)+4
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Ответ:
This equation has one solution so given statement is true.
Step-by-step explanation:
7a +4 – 2a = 7a + (-20)+4
5a + 4 = 7a - 16
5a - 7a = -16 - 4
- 2a = - 20
a = 10
This equation has one solution so given statement is true.
Ответ:
y-y1=m(x-x1)
Step-by-step explanation:
uhhh yeah