Answer:
2
Step-by-step explanation:
20-7x=6x-6
20+6=6x+7x
26=13x
x=2
Answer:
x = 6 or x = -2
Step-by-step explanation:

Answer:
y = 4/7 - 4
Step-by-step explanation:
Slope = (-4-0) / (0 - 7) = -4/-7 = 4/7
y-intercept: -4 - (4/7)(0) = -4
8 nickels
6 nickels, 1 dime
4 nickels, 2 dimes
2 nickels, 3 dimes
4 dimes
1 quarter, 1 nickel, 1 dime
6 different ways