jenny3661
12.07.2019 •
Mathematics
1/2 a number is equal to the sum of three-fourths of the number and -2.find the number.
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Ответ:
1/2 a number = x/2
the sum of three-fourths of the number and -2: 3/4 + -2 = -5/4
We know that they're equal, so:
x/2 = -5/4
Multiply both sides by 2 to isolate the x and find the number:
x = -5/2
Therefore, the number is -5/2.
Ответ: