Answer:
Step-by-step explanation:
4x+2y = -24 -------------(i)
<u> -4x+y = 12 -</u>------------(ii)
add (i) &(ii) 3y = -12
y = -12/3
y = -4
Put y = (-4) in (i)
4x + 2*(-4) = -24
4x - 8 = -24
4x = -24 + 8
4x = -16
x = -16/4
x = -4
If you would like to know about how much will you spend on gas, you can calculate this using the following step:
$3 per gallon & 23 miles for every gallon of gas:
$3 * 23 miles = 69 miles
Result: You will spend $3 for 69 miles.
Answer:
c. 15
Step-by-step explanation:
20 - 15 + 5
35 - 15(2)
35 - 30 = 5