Question

1.If the supplement of (x + 20) is 50°, then find the value of x.
2.If the supplement of (2y + 15)is 35º, then find the value of y.
3.If the complement of (y +15)° is 30°, then find the value of y.
4.If the complement of (3y + 20)° is 34°, then find the value of y.
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Answer 1

Answer:

1. 110

2. 65

3. 45

4. 12

Step-by-step explanation:

1. 180-(x+20)= 50

x+20= 130

x= 110

2. 180-(2y+15)=35

2y+15= 145

2y= 130

y= 65

3. 90-(y+15)= 30

y+15= 60

y= 45

4. 90-(3y+20)= 34

3y+20= 56

3y= 36

y=12