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mhortin
29.09.2020 •
Mathematics
What value of x makes the equation true?
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Ответ:
Greetings from Brasil...
Let's add all the values on one side and make it equal to the sum of all the other values on the other side
(- X) + (- X) + (- X) + (- X) + (- X) + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 = X + X + X + (- 1) + (- 1) + (- 1) + (- 1) + (- 1) + (- 1) + (- 1) + (- 1)
- 5X + 12 = 3X - 8
- 5X - 3X = - 8 - 12
- 8X = - 20 x(- 1)
8X = 20
X = 20/8
X = 5/2or X = 2.5
Ответ:
Exact Form:
105 /8
Decimal Form:
13.125
Mixed Number Form:
13 1/ 8
this is if you divide 105 and 8