5x+18 = 2x+9 5x-2x = 9-18 3x = -9 x = -3 and y = 3
If: x+9+5x = 21+2x Then: x = 3
5x + x - 6x + 2x = 2x
5X + 9 5(3) + 9 15 + 9 = 24 ====
x = -1.4
5x = 4x + 9 x = 9
5x+18 = 2x+9 5x-2x = 9-18 3x = -9 x = -3 and y = 3
6 + 2x = 5x + 9 , 6 - 9 = 5x - 2x , -3 = 3x , x = -1
If: x+9+5x = 21+2x Then: x = 3
5x + x - 6x + 2x = 2x
5X + 9 5(3) + 9 15 + 9 = 24 ====
x = -1.4
The answer is -8.
5x + 4 = 10x - 5 10x - 5x = 4 + 5 5x = 9 x = 1.8
79
-7+11x = 9-5x 11x+5x = 9+7 16x = 16 x = 1
x = -1.2, y = -3