Step-by-step explanation:
15a)
Subtract both sides by 21
15b)
7 and -3 multiply to -21 and add to 4
The factors are (x+7)(x-3)
15c)
x+7 =0
x=-7
x-3=0
x=3
The answer to your question is number 1
<h3>Hello there!</h3>
In this question, we're solving for v
Lets solve:
(13 + v) = -121
Subtract 13 from both sides
v = -134
<h3>Answer: v = -134</h3><h3>I hope this helps!</h3><h3>Best regards,</h3><h3>MasterInvestor</h3>
He payed a total of 25.96 because the tip was 3.96
