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4x+3y=0 and 2x-y=0

0 votes
homework paper.
asked Mar 11, 2014 in ALGEBRA 2 by payton Apprentice

1 Answer

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Substitution method :

The system of equations are

4x + 3y = 0 →(1)

2x - y = 0   →(2)

Solve equation 2 for y, since the y has a coeffient of - 1.

Subtract 2x from each side.

- y = - 2x

y = 2x.

Substitute the value of y = 2x in equation 1 and solve for x.

4x + 3(2x ) = 0

4x + 6x = 0

10x = 0

x = 0.

Substitute the value of x = 0 in y = 2x.

y = 2(0)

y = 0.

The solution (x, y ) = (0, 0).

answered Mar 24, 2014 by dozey Mentor

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