Answer:

Step-by-step explanation:
Given
1: 5x + 20
2: Opposite of 20
Required
Find their sum
Suppose that a is a number; The opposite of a is -a. So, the opposite of 20 is -20.
Having said that:
The required sum is:

Remove bracket


answer 22
beqause parallelograms are 180 ° = A + B = 90 ° AND AND C + D = 90° AND B = C , A= D then
A + B = 90° A= 68 THEN 68 + B = 90° = B = 90 ° - 68 ° = 22°
Answer:
y = 4
Step-by-step explanation: