Question

Suppose you send about 8 text messages a day, and your older sister sends more text messages than you do. Together, you send a total of about 21 messages per day. About how many text messages does she send a day? Write an equation that contains the unknown value, x, and solve for the unknown value.

PLS HURRY THIS IS A PROJECT

Answer 1

21 - 8 = x

21 - 8 = 13

Explanation:

because you send a total of 21, and you send 8, just do 21 - 8 and thats how many text messages she sends