Answer:
f(3) = 11
Step-by-step explanation:
To evaluate f(3), substitute x = 3 into f(x), that is
f(3) = 2(3) + 5 = 6 + 5 = 11
Answer:
x<52
Step-by-step explanation:
I added 21 to both sides
Answer:
60
Step-by-step explanation:
x = 180 - [ 57 + ( 180 - 117 ) ]
= 180 - [ 57 + 63 ]
= 180 - 120
x = 60
5x-5y=22
..........................
Answer:
2 dollars
Step-by-step explanation:
4x2 =8
