Create a system of equations
x + y = 123
5x + y = 343
I use substitution
y = 123 - x
5x + 123 - x = 343
4x + 123 = 343
4x = 220
x = 55
Plug in
x + y = 123
55 + y = 123
y = 68
Check
5x + y = 343
5(55) + 68 = 343
275 + 68 = 343
343 = 343
Answer:
-16
Step-by-step explanation:
Subtract the afternoon temperature from the evening temperature
Answer:
$13.79
Step-by-step explanation:
13.13x0.05=0.6565
Tax=0.66
13.13+0.66=13.79
X=7 All you need to do is combine like terms and then move the appropriate terms to the appropriate side.
