6x+4=3x+12 => 6x-3x=12-4 => 3x=8 => x=8/3=2.666...
12 + 3x = 412 - 12 + 3x = 4 - 123x = -83x/3 = -8/3x = -8/3x = -(2 2/3)
70000000y=35t
3x = -12 so x = -4
8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3
6x+4=3x+12 => 6x-3x=12-4 => 3x=8 => x=8/3=2.666...
3x + 8 = 20 3x = 20 - 8 3x = 12 3x = 12/3 x = 4
12 + 3x = 412 - 12 + 3x = 4 - 123x = -83x/3 = -8/3x = -8/3x = -(2 2/3)
70000000y=35t
3x = -12 so x = -4
8+7x = 20+3x 7x-3x = 20-8 4x = 12 x = 3
x=12
11x + 8 = 8x + 20 3x + 8 = 20 3x = 12 x = 4
3x + 4 = 12 Subtract 4 from both sides: 3x = 8 Divide both sides by 3: x = 8/3 = 22/3
3x + x + 8 = 204x + 8 = 204x = 12x = 3
645375
15x minus 8=minus 180 3x+8=24