Solve the system of equations using the substitution method.
{4x+5y=7y=3x+9
Enter your answers in the boxes.
x=
y=
AAAaannndd the bot gets it wrong yet again!
4x+5y=7
y=3x+9
so, substituting,
4x+5(3x+9) = 7
19x = -38
x = -2
so y = 3
x = -2
y = 5