quan1541
04.09.2020 •
Mathematics
3. (02.01)
Solve for x: 3(x + 1) = -2(x - 1) - 4. (1 point)
1
-1
-5
-25
i’m so confused someone pls help
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Ответ:
x = - 1
Step-by-step explanation:
Given
3(x + 1) = - 2(x - 1) - 4 ← distribute parenthesis on both sides
3x + 3 = - 2x + 2 - 4, that is
3x + 3 = - 2x - 2 ( add 2x to both sides )
5x + 3 = - 2 ( subtract 3 from both sides )
5x = - 5 ( divide both sides by 5 )
x = - 1
Ответ:
it's easy you need to put more attention at class when your teacher is teaching!!!