This would be labed as a Conditional probability
y=-x+6
2x-(-x+6)=6
3x=12
x=4
4+y=6
y=2
Answer:
6r + 7 = 13 + 7r
subtract 6r from both sides...
7 = 13 + r
subtract 13 from both sides...
-6 = r
r = -6
Step-by-step explanation: