8x-3+6x-1 = 12x+614x-4 = 12x+614x-12x = 6+42x = 10x = 5
30+12x = 6(5+2x)
7
12x - 8 = 10x + 42x = 12x = 6
12x - 6 = 10x +2 12x - 10x = 2 + 6 2x = 8 x = 4
6y
8x-3+6x-1 = 12x+614x-4 = 12x+614x-12x = 6+42x = 10x = 5
30+12x = 6(5+2x)
6
7
12x - 8 = 10x + 42x = 12x = 6
12x - 6 = 10x +2 12x - 10x = 2 + 6 2x = 8 x = 4
-5 + 12x = 18x + 7Subtract 7 from each side:-12 + 12x = 18xSubtract 12x from each side:-12 = 6xDivide each side by 6:-2 = x
Just one.
If you're looking to solve for x, you can do so as follows: x2 + 12x - 6 = 0 x2 + 12x + 36 = 42 (x + 6)2 = 42 x + 6 = ± √42 x = -6 ± √42
12x - 9y = 6, 12x + 20y = 64 29y = 58 y = 2 x = 2
2x + 3 = -92x = -12x = -6