SIMULTANEOUS EQUATIONS Algebra Step 2. Set the two values for x equal to each other. 12 6y 5 3 5y 3 Step 3. Solve the resulting equation for y. 12 6y 5 3 5y 3 (3)(5)¹² 6y 5 3 5y 3 (3)(5) 3(12 6y) 5(3 5y) 36 18y 15 25y 25y 18y 15 36 7y 21 7y 7 21 7 y 3 Step 4. Substitute y = -3 into one of the original equations and solve for x. 5x 6y 12 5x 6( 3) 12 5x 18 12 5x 12 18 5x 30 5x 5 30 5 x 6 MA-02 Page 38 Rev. 0