How do you solve y=2x+9 and y=9x +10 using substitution?
1 Answer
Apr 26, 2018
Explanation:
Take one y value and substitute it as the y value in the other equation.
Let's use
Subtract 2x from both sides, then subtract 10 from both sides.
Divide both sides by 7
Now apply your new x value to the first equation,