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.

Question

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=
.

Answer 1

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.