Answer:
1 solution
Step-by-step explanation:
This is a linear equation and has one solution
6x - 4 = x + 6 ( subtract x from both sides )
5x - 4 = 6 ( add 4 to both sides )
5x = 10 ( divide both sides by 5 )
x = 10 ← only 1 solution
The answer would be: He spent 17 hours on the phone
Explanation: $826.20 - $725= $101.2 - $40= $61.12 / $3.60= 17hrs
