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Solve x plus 7 divided by x minus 2 equals x plus 4 divided by x minus 3?
x + 7 / x - 2 = x + 4 / x - 3(times both sides by x - 3 and x - 2)(x + 7)(x - 3) = (x + 4)(x - 2)x2 + 7x - 3x - 21 = x2 + 4x - 2x - 8x2 + 4x - 21 = x2 + 2x - 8(- x2 from both sides)4x - 21 = 2x - 8(- 2x from both sides)2x - 21 = -8(+ 21 on both sides)2x = 13(divide both sides by 2)x = 6.5
Square root of 441?
plus or minus 21
Solve this inequality j4 - 8 4?
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How do you solve the quadratic equation t2 4t equals 21 by factoring?
Subtract 21 from both sides. If that's + 4t, the answer is (t - 3)(t + 7) and t = 3, -7 If that's - 4t, the answer is (t + 3)(t - 7) and t = -3, 7
What is bigger 13 15 or 21 25?
13/15 = 65/75 21/25 = 63/75 13/15 is bigger.
How do you solve 4n plus 13 equals n minus 8?
As follows:- 4n+13 = n-8 4n-n = -8-13 3n = -21 n = -7
Solve the equation x plus 13 equals -8?
5
What is 13 out of 21?
I presume you don't mean 21 minus 13; that is easy enough, and equals 8. If you mean the ratio 13/21, all you do is divide. The answer is 0.1690___.
How do you solve 3x minus 6 equals 21?
3x-6 = 21 3x = 21+6 x = (21+6)/3 x = 9 You shouldn't ask us to solve your math homework.
How do you solve 4n minus 7n equals 21?
4n - 7n = 21(4-7) n =21-3n = 21divide both sides by -3n = -7
What is the answer to 16 over 21 minus 2?
16/21 minus two equals -1 5/21
What is 25 plus 16 minus 13 minus 21 equal to?
25 + 16 - 13 - 21 = 7
What equals 21 minus 12?
9
Four thirds minus five sevenths?
4/3 minus 5/7 = 13/21
How do you solve 2 x minus 5 equals 16?
you add the 5 to both sides of the equation and you have 2x=21 and then you divide by 2 so you have x=11
What is 13-8?
21
Solve a plus 9 equals 21?
A + 9 = 21 A = 21 - 9 A = 12
