Answer:
angle 1 = 123°
Step-by-step explanation:
Here, angle 2 = 123° {being veritical opoosite angle}
so, angle 1 = angle 2 {being alternate angle}
so, angle 1 = 123°

We need to solve for x, we need to get x alone

Lets start by removing -5
Add 5 on both sides


Now to isolate x , we need to remove the square from x
To remove square , take square root on both sides

square and square root will get cancelled

So
and 
1)Calculate the product:
21a + 10a - 3a
2)Collect like terms:
28a
Answer:
28a
Answer:
b
Step-by-step explanation:
Answer:
y=-15
Step-by-step explanation: