2x+5y=619
x=10y-3
________
2(10y-3) +5y=619
20y-6+5y=619
25y=619+6
25y=625
y=625/25
y=25
x=10*25-3
x=250-3
x=247
Answer:
12.5
Step-by-step explanation:
use a calculator and don't waste your coins
It should be two if this is pre calc.
Answer: The slope is - 1/2.
Step-by-step explanation: