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Mathematics

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Answer

x=6,y=0x=6, y=0

Step-by-step solution

4 steps
  1. Add the two equations together to eliminate yy.

    The given equations are:

    3x−2y=18(1)3x - 2y = 18 \quad (1) x+2y=6(2)x + 2y = 6 \quad (2)

    Add equation (1) and equation (2):

    (3x−2y)+(x+2y)=18+6(3x - 2y) + (x + 2y) = 18 + 6 3x+x−2y+2y=243x + x - 2y + 2y = 24 4x=244x = 24
  2. Solve for xx.

    Divide both sides by 4:

    4x4=244\frac{4x}{4} = \frac{24}{4} x=6x = 6
  3. Substitute the value of xx into one of the original equations to solve for yy.

    Using equation (2):

    x+2y=6x + 2y = 6

    Substitute x=6x = 6:

    6+2y=66 + 2y = 6

    Subtract 6 from both sides:

    2y=6−62y = 6 - 6 2y=02y = 0

    Divide by 2:

    y=02y = \frac{0}{2} y=0y = 0
  4. State the solution.

    The solution to the system of equations is x=6x=6 and y=0y=0.

    The solution is x=6,y=0x=6, y=0.

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