Which equation has exactly one solution? 7
x
=
7
7 x is equal to 7

7
x
=
7
x
7 x is equal to 7 x

x
+
1
=
x
+
1
x plus 1 is equal to x plus 1

x
+
1
=
x
+
2

The monthly texting plan of all star cell is $11 per month and $0.25 per text. the monthly texting plan of top line cell is $14 per month and $0.15 per text. a student wants to set up a system of equations to find the number of texts for which the total monthly cost of the two companies is the same. he uses the variables x and y. he lets y represent the total monthly cost. what will x represent? x = number of texts x = cost of the total number of texts x = total monthly cost x = cost of each text