12+8y you have to do like terms and the distributive property of 2(y+1)
Answer:
(B) 2
Step-by-step explanation:
=> 
=> 
=> 
Cancelling 
=> 
=> 2
Answer:
y=-1x+3
y-2=3(x-1)
Step-by-step explanation:
Slope: -1
y-intercept: 3
Answer:
choice 1) 2x + 40 = 180
Step-by-step explanation:
(x + 10) + (x + 30) = 180
2x+ 40 = 180