Let
x--------> the amount you have left to spend
y--------> the cost of a shirt you want
z------> the amount of the gift card
we know that
--------> equation
--------> equation
--------> equation
Substitute the equation and equation [/tex]
therefore
<u>the answer is the option</u>
x+15 is less than or equal to 60
B - 7x = a - b
Subtract b from both sides.
-7x = a - 2b
Divide both sides by -7.
x =