Answer: m∠6=18
3x-15=x+7
add 15 to both sides
3x-15+15=x+7+15
3x=x+7+15
3x=x+22
subtract x from both sides
3x-x=x+22-x
3x-x=22
2x=22
divide both sides by 2
2x÷2=22÷2
x=22÷2
x=11
plug it into the equation
11+7=18
m∠6=18
I hope this is good enough:
Answer:
4.8 points/minute
Step-by-step explanation:
Just divide total point over total minutes.
1.50
y= 5 x= 2
-3x+5y=2x+3y
5y=5x+3y
2y=5x
