Question
Mai solved the equation below incorrectly. Identify Mai's error and then solve the equation correctly. (1)/(3)((1)/(2)x-9)=(1)/(2)(x+18) (1)/(6)x-3=(1)/(2)x+9 (1)/(4)x-3=9 (1)/(4)x=12 x=48
Solution
4
(77 Votos)
Bento
Veterano · Tutor por 10 anos
Resposta
Mai's error occurred in the second step. She incorrectly simplified the equation
to
. The correct simplification should be
.Let's solve the equation correctly:
Multiply both sides by 6 to eliminate the fractions:
Simplify:
Combine like terms:
Divide both sides by -2:
Therefore, the correct solution to the equation is
.