Answer:
x = 12
Step-by-step explanation:
(6x-2) + 20 = 90
6x-2 = 70
6x = 72
72 / 6 = 12
x = 12
Written as a fraction 3/50
Given:
The equation is:

To find:
The solution for the given equation.
Solution:
We have,

It can be written as:



Taking square root on both sides, we get
[Radius cannot be negative]


Therefore, the value of r is about 6.36 cm.
There his should help see below
Answer:
4x+7=3x+7
Step-by-step explanation:
4x+(7-7)=3x+(7-7)
4x=3x