6.3+Practice+problems+continued

6x + 2y = 2 4x + 8y = -12 You may have noticed that the equation has no variable that you can get rid of at this time, so how do you solve it? You simply multiply one of the equations until that equation is equal with the other equation.
 * Solving 6.3 second problem - **

I chose to make the first equation, 6x + 2y = 2, be multiplied by (-4) so that we can eliminate our Y value to solve for X making the problem look like -24x + -8y = -8

Now your equations should look like this - -24x + -8y = -8 4x + 8y = -12

Now you can eliminate the Y value to solve the equation, making it look like this -24x = -8 4x = -12

Now you use distribution to help find you X value -20x = -20

X = 1

Now to solve for your Y value, you must input your X value into one of the equations - 6(1) + 2y = 2

You multiply 6 by 1 and then add the solution with 2

Now the problem should look like this 2y = -4

Now just divide each side, and get your answer of y = -2

Giving you your final answer of (1,-2)