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15(y-4)-2(y-9)+5(y+6)=0

Simplify the equation : 15(y4)2(y9)+5(y+6)=0 15(y-4)-2(y-9)+5(y+6)=0

Full solution

Q. Simplify the equation : 15(y4)2(y9)+5(y+6)=0 15(y-4)-2(y-9)+5(y+6)=0
  1. Simplify Equation: Simplify the equation by distributing the numbers into the parentheses.\newline15(y4)2(y9)+5(y+6)=015(y-4) - 2(y-9) + 5(y+6) = 0\newline15y602y+18+5y+30=015y - 60 - 2y + 18 + 5y + 30 = 0
  2. Combine Like Terms: Combine like terms.\newline15y2y+5y60+18+30=015y - 2y + 5y - 60 + 18 + 30 = 0\newline18y12=018y - 12 = 0
  3. Isolate y: Isolate y by adding 1212 to both sides.\newline18y12+12=0+1218y - 12 + 12 = 0 + 12\newline18y=1218y = 12
  4. Divide by 1818: Divide both sides by 1818 to solve for yy.y=1218y = \frac{12}{18}y=23y = \frac{2}{3}