Question

Use algebraic rules of equations to predict the solution type to the system of equations. Include all of your work for full credit.

{ x+2y=10
{6y=-3x+30

Answer 1

0=0

Explanation:

When you combine both expressions you multiply the first one by -3

As result all the terms in the second expression are cancelled when both expressions are added

-3x -6y = -30

3x + 6y =30

0 + 0 = 0