Answer:
14m+35
Step-by-step explanation:
7(2m+5)
7(2m)+7(5)
14m+35 is your answer ☺️☺️☺️
8x -4
41+0.10x = 31+0.15x
10 +0.10x=0.15x
10=0.05x
x=10/.05
x= 200 text messages
check 200*0.10 = 20 +41 =61
200*0.15 = 30+31 = 61
they equal each other so number of texts is 200