Posted by Andrew on Monday, January 3, 2011 at 1:06pm.
Solve each of these systems using the substitution method. Make sure to check your answers !
2x + 3y = 4
x  2y = 5
Question 1 answers
x = 1, y = 2
x = 1, y = 2
x = 1, y = 2
x = 2, y = 1

Math  PsyDAG, Tuesday, January 4, 2011 at 10:03am
x = 5 + 2y
2x + 3y = 4
Substitute 5 + 2y for x in second equation and solve for y. Insert that value into the first equation and solve for x. Check by inserting both values into the second equation.