Answer:
10x
Step-by-step explanation:
Add the 6 and 4 the x stays the same.
<h3>
Answer: 2x</h3>
Explanation:
Each person is x years old. Adding those unknown ages gets us x+x = 2x
We can think of it like x being one box, so x+x represents having two boxes which shortens to 2x.
y = 1x + 3, also y = 1x + 4 both of those are parallel
Answer:
you could do 27+x=30
Step-by-step explanation: