8 - 2x = -16
Multiply every term by -1 or, equivalently, change the sign of every term.
-8 + 2x = 16
Add 8 to both sides: 2x = 24
Divide both sides by 2: x = 12
2x-3 = 11 2x = 11+3 2x = 14 x = 7
-2x+16 = 0 -2x = -16 x = 8
2x - 1 = x + 15 Add 1 to both sides: 2x = x + 16 Subtract x from both sides: x = 16
2x+4 = -16 2x = -16-4 2x = -20 x = -10
y=6x-16 y=-2x+8
2x + 4 = 16 2x = 16 - 4 2x = 12 x = 12/2 x = 6
2x-9=7 2x=16 X=8
2x - 5 = 11 2x = 11 + 5 2x = 16 2x /2 = 16 /2 x = 8
8x + 16 = 6x -> 2x + 16 = 0 -> 2x = -16 -> x = -8
7x - 2x = 80 subtracting like terms, 5x = 80 divide both sides by 5 x = 16
x=3
2x + 5y = 16 -2x - 3y = -14 2y = 2 y = 1 / x = 5.5 (5.5,1) or (5 1/2,1)