-4x+3 = 23+6x
-4x-6x = 23-3
-10x = 20
x = -2
23 + 15x - 4x = 1215x - 4x = 12 -2311x = -11x= -1
many solutions
8x-1 = -4x+23 8x+4x = 23+1 12x = 24 x = 2
8x-5=23+4x 8x-5-4x=23+4x-4x 4x-5=23 4x-5+5=23+5 4x=28 4x/4=28/4 x=7
x=9
8x-1=23-4x 12x=24 x=2
2y = 4x + 4y = 2x + 2
23 + 15x - 4x = 1215x - 4x = 12 -2311x = -11x= -1
many solutions
8x-1 = -4x+23 8x+4x = 23+1 12x = 24 x = 2
x= -.5
You can't solve it. But you can simplify it to get: 4x+y=2
8x-5=23+4x 8x-5-4x=23+4x-4x 4x-5=23 4x-5+5=23+5 4x=28 4x/4=28/4 x=7
x = 12
x=9
4x+9 = 7x+3 4x-7x = 3-9 -3x = -6 x = 2
Add 4x - 2 to each side: 5x = 5 x = 1