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Earn +20 ptsQ: What is 3x 15?
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How do you find out what 3x-5 equals -15 is?
3x - 5 = -15 so 3x = -15+5 so 3x = 10 x = 10 over 3
Three times the difference of 5 minus a number is 27 find the number?
3(5-x) = 27 15 - 3x = 27 15 - 3x + 3x = 27 + 3x 15 = 27 + 3x 15 - 27 = 27 - 27 + 3x -12 = 3x -4 = x To check 3(5- -4) ? 27 15 - -12 ? 27 15 + 12 = 27
How do you factor 3x squared minus 14x plus 15?
3x^2 -14x +15 = (3x-5)(x-3)
Subtract 3 times the number from 15 and get 48?
15-3x=48 -3x=33 x=-11
If 3x equals 6x- 15 then x plus 8 equals?
3x = 6x - 15Add 15 to each side:3x + 15 = 6xSubtract 3x from each side:15 = 3xDivide each side by 3:5 = xAdd 8 to each side:13 = x + 8
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