kodak0531
13.02.2021 •
Mathematics
What is 3(x+2)-4= -(x-6)?? I need the answer to x??
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Ответ:
x=1
Step-by-step explanation:
3x+2= -x+6
4x=4, x=1
Ответ:
x = 1
Step-by-step explanation:
3(x+2) - 4 = -(x-6) | Given
3x + 6 - 4 = -x + 6 | Distribute.
On the right side, where there is a minus on the outside of the parenthesis you can assume there is a 1. Flip the signs and multiply everything inside by -1.
3x + 2 = -x + 6 | Add the numbers
3x = -x + 4 | Subtract 2 from both sides
4x = 4 | Add x to both sides
x = 1 | Divide both sides by 4.
Ответ:
1/8000 = 0.000125 = 1.25 · 0.0001 = 1.25 · 10⁻⁴
Negative sign in superscript (10⁻⁴) is because it is decimal number 0.0001. If it was 10000 it would be positive sign: 10⁴