Determine whether the equation below has a one solutions, no solutions, or an infinite number of solutions. Afterwards, determine two values of xx that support your conclusion.
start fraction, 21, divided by, x, end fraction, equals, 7
x
21
=
7
Answer
Attempt 1 out of 2
The equation has
one solution
.
A value of xx that makes the equation true is
, which when substituted into the equation and simplified makes the equation turn into
equals=
.
A value of xx that makes the equation false is
, which when substituted into the equation and simplified makes the equation turn into
equals=
.
The equation has one solution.
A value of x=3 that makes the equation true is 21/3 = 7.
A value of x=0 that makes the equation false is 21/0 = undefined.