Answer:

Step-by-step explanation:

Remove parenthesis

Multiply 

The sum of angle AOB and angle BOC is equal tot he angle of AOC so
6x+5 +4x-2 = 8x+21
10x+3=8x+21
Subtract three and 8x from both sides
2x=18
Divide by two
x=9
Hope this helped!
3 5\8 + 6 1\2 = 10 1/8 (Decimal 10.125)
SmartOasis
Answer:
Y=mx+b, m= slope, b= y intercept, plug in. Y=3x+5
Step-by-step explanation: