Question

What is the value of x? 3 ,4,6,8

Answer 1

Explanation:

`Hello\\10+2x=18\\10+2x-10=18-10=8\\2x=8\\x=(8)/(2)=4\\\end{aligned}\\ \boxed{\sf \ x = 4 \ }`

Answer 2

4

Explanation:

We know the other side of the rectangle is 18.

So 18=10+2x

subtract 10

8=2x

divide by 2

x=4