3 + 4x - 3x = 4 ( given )
3 + x = 4 ( combine like terms )
subtract 3 from both sides (subtraction property of equality )
x = 4 - 3
x = 1
Answer:
$28.50 is the answer
Step-by-step explanation:
$1
Let's call the ringtone r. If the ringtone and $3 equals $4, then we can write the equation $4=$3+r. To solve, all you have to do is isolate the r by subtracting 3 on each side.
