Jillian is using integer tiles to add 7 + (negative 2). She uses the steps below. Step 1 7 positive tiles.
Step 2 7 positive tiles and 2 negative tiles.
Step 3
7 positive tiles and 2 negative tiles. 2 positive and 2 negative tiles are circled.
Step 4
7 + (negative 2) = 2

Jillian has made an error. In which step does it occur?

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