Answer: Mary has 16 video games.
Step-by-step explanation:
x+(x+2) =30
2x + 2 =30
-2 -2
2x =28
x= 14
(14+ 2) = 16
Answer: 85
Step-by-step explanation: 15 × 6= 90 - 5= 85
Answer:
x=1
Step-by-step explanation:
Isolate the variable usually by dividing it by factors that don't contain the variable.
Hope this helps.
Answer:
f(5)=12
Step-by-step explanation:
Replace all x by 5
f(5)=3(5)-2
multiply 3 and 5 together
f(5)=15-2
Simplify:
f(5)=13
Hope this helps!