y= -2x
many solutions
2x + 2x + 146 + 26 = 172 4x + 172 = 172 4x = 0 x = 0
X should be zeroas:X + 5 = 2X + 5so, 2X - X = 0 or X = 0
2x(3x+6) = 0 x = 0 or x = -2
x = 4 and y = 0
x=0
X = 0 (zero) Y = -1 (neg 1)
2x+3x-2=0=5x=0+2=5x=2=5x_5=2_5=x=0.4
x = 0
x = 0 right 2x + 5 = 5 which makes 5 = 5 +2x subtract 5 from each side -5 -5 ---------- 0=0 + 2x 0= 2x substitue x 0 = 2 X 0 solve
2x = -7 - 8y
If -2x +14 = 0, -2x = -14, or x = 7.