Answer:
18
Step-by-step explanation:
18÷3=6
given that, y=2×7
y=14
and
x+y=5
x+14=5
x=5-14
x=9
x not equal to 5
a
1/4 is the number
a.k.a. 0.25
Replace the words "a number" with x
4x + 2 = 3
Then, simplify
4x = 1
x = 1/4