solve by linear equations

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  1. It's a straight forward pair of simultaneous equations.

    In this example just add the two equations to cancel out the y and find the x value.

    Once you have the x value sub it back into one of the equations to find y.

    Hope that helps

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  2. you use the elimination method for this one, well its the easiest way since your y's already cancel out. you would add your x's and your 5's together, then divide. that's when you get x=something then you sub your x answer in either one of the equation and you will get y. hope i was of some assistance!

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  3. Use the matrix method to solve the system of equations 2x + 4y = 8 and 6x + 3y = -3. The resulting matrix is:

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