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In algebra, (7x) and (21x) are expressions where (x) represents a variable. The term (7x) indicates that the variable (x) is multiplied by 7, while (21x) indicates that (x) is multiplied by 21. The expression (21x) can also be seen as three times (7x), since (21) is three times (7). These expressions are often used in equations and can represent different quantities depending on the value of (x).
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What is 3x x 7x?
It is equal to 21x You can not find x.
7x plus 7 equals 28 x equals?
7x+7=28x 28x-7x=7 21x=7 x=3
What is the product of the polynomials 7x plus 7 x plus 2?
(7x + 7)(x + 2) = 7x2 + 21x + 14
How do you factor 3x squared negative 21x plus 36?
3x2-21x+36 =3(x2-7x+12) =3(x-4)(x-3)
What type of linear system is 7x plus 2y equals 16 -21x-6y equals 24?
Do you mean 7x+2y = 16 and 21x-6y = 24? If so then it is simultaneous equation with the solution being: x = 12/7 and y = 2
What is the GCF of 14x and 21x?
7x
What is 7x times 3x?
21x^2
Factor this polynomial 21x-18?
3(7x-6)
How do you factor 21x plus 33?
3(7x + 11)
What is 3x x 7x?
It is equal to 21x You can not find x.
What equations equal 42 when multiplying?
7x = 42 or 21x = 42
7x plus 7 equals 28 x equals?
7x+7=28x 28x-7x=7 21x=7 x=3
6-7x equals 24-21x x equals?
6 - 7x = 24 - 21xSubtract 6 from both sides:- 7x = 18 - 21xAdd 21x to both sides:14x = 18Divide both sides by 14:x = 18/14 = 9/7
What is the product of the polynomials 7x plus 7 x plus 2?
(7x + 7)(x + 2) = 7x2 + 21x + 14
7x 2y 16 21x 6y 24?
7x+2y=16 21x+6y=24 y=8-(7/2)x y=4-(7/2)x 0= 4 the system has no rational solution.
How do you factor 3x squared negative 21x plus 36?
3x2-21x+36 =3(x2-7x+12) =3(x-4)(x-3)
What type of linear system is 7x plus 2y equals 16 -21x-6y equals 24?
Do you mean 7x+2y = 16 and 21x-6y = 24? If so then it is simultaneous equation with the solution being: x = 12/7 and y = 2
