Q. How many solutions does this equation have?−4u−2u=−6uChoices:(A)no solution(B)one solution(C)infinitely many solutions
Combine like terms: Simplify the left side of the equation by combining like terms. −4u−2u=(−4−2)u=−6u
Compare left and right sides: Compare the simplified left side with the right side of the equation.−6u=−6uThis statement is true for every value of u.Therefore, the equation has an infinite number of solutions.
More problems from Find the number of solutions to a linear equation