harvzoie
13.01.2021 •
Mathematics
What does X equal?
2x + 2 = 4x + 4
Solved
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Ответ:
x = -1
Step-by-step explanation:
Given
2x + 2 = 4x + 4 ( subtract 4x from both sides )
- 2x + 2 = 4 ( subtract 2 from both sides )
- 2x = 2 ( divide both sides by - 2 )
x = - 1
Ответ:
a)
Step-by-step explanation: 4/5 is the same as 2/10