4x + 6x + 9 = 0 Answer: x = -9/10 Here is one just like it: 3y + 8y + 4 = 0 Add 3y and 8y, getting 11y 11y + 4 = 0 Add -4 to both sides 11y + 4 - 4 = 0 - 4 lly = -4 Divide both sides by 11 Edwin