3x + 4 = 5x - 6
-3x -3x
4 = 2x - 6
+6 +6
10 = 2x
5 = x
Wiki User
∙ 13y ago3
x = -8
x=7
23
x2 plus 3x plus 3 is equals to 0 can be solved by getting the roots.
3x+5=20 3x=15 x=5
-3x + 5 = 20 -3x = 15 x = -5
3x + 2y = 12 ie 2y = 12 - 3x so y = 6 - 3x/2
x = 6
x = -8
7x = 3x - 12 4x=-12 x=-3
x = 5, y = -1