3.5x-2 = 6+1.4x
3.5x-1.4x = 6+2
2.1x = 8
x = 3.80952381
Substituting the value of x into the original equation: 11 and 1/3 = 11 and 1/3
-x2+14x=49
-14x
2
(14x)(x)+1 14x^2 + 1
y=-2/3x with any y-intercept except -2.
It is a quadratic equation and the values of x are -1/2 or -2/3Do you mean 12x2+14x+4 = 0If so then x = -2/3 and x = -1/2
3x2+14x+8 = 0 x = -2/3 or x = -4
(x2 + 14x + 49) = (x + 7)2
x^2 + 14x + 40 factorises as (x + 10)(x + 4) so the roots are x = -10, -4.
14x(x + 2)
23 = 7x + 7x - 5 = 14x - 5 14x = 23 + 5 = 28 x = 28/14 = 2
x = 1.5 because -7x + 3 = -15/2 -14x + 6 = -15 (x2) -14x + 21 = 0 (+15) 21 = 14x (+14x) 3 = 2x (/7) 1.5 = x