x^2-3x-28=0...................
None because without an equality sign and not knowing the plus or minus values of 3x and 7 it can't be considered to be an equation.
1 is the answer
x2 + 3x - 28 = x2 + 7x - 4x - 28 = x(x + 7) - 4(x + 7) = (x + 7)(x - 4)
(7x + 4) = (3x + 7) Subtract (3x + 4) from both sides of the equation. (7x + 4) - 3x - 4 = (3x + 7) - 3x - 4 4x = 3 x = 3/4 Check: (7x + 4) = 7 (3/4) + 4 = (21/4) + 4 = (21/4) + (16/4) = 37/4 (3x + 7) = 3 (3/4) + 7 = (9/4) + 7 = (9/4) + (28/4) = 37/4 Yay.
In the equation 3x plus 7 equals 13, x is equal to 2.
3X + 5Y = 75Y = - 3X + 7Y = (-3/5)X + 7/5==================equation of the line
3x + 7 = 46 is an equation. It can be solved as follows: 3x = 39 so x = 13
4
It is an equation and the value of x is 6
x^2-3x-28=0...................
If you mean: y = 7+3x then it is a straight line equation whereas the slope is 3 and the y intercept is 7
First, subtract 3x from each side of the equation. Then, divide each side of the equation by 7 .
Given point: (6, 7) Equation: 3x+y = 8 Parallel equation: 3x+y = 25
It is a mathematical equation, usually written like this: 5x - 7 + 2x = 3x - 2 + 4x
x^2 + 3x + 7 = 6x + 18 x^2 - 3x - 11 = 0
It is an equation and the value of x is 7/19