Solve for x 3x-7y=4 x+7y=16

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Algebra

$3 x - 7 y = 4$ $x + 7 y = 16$

The simplified system is the arbitrary solution of the original system of equations.

$y = - \frac{4}{7} + \frac{3 x}{7}$

$y = \frac{16}{7} - \frac{x}{7}$

Simplify the right side.

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Reorder $- \frac{4}{7}$ and $\frac{3 x}{7}$ .

$y = \frac{3 x}{7} - \frac{4}{7}$

$y = \frac{16}{7} - \frac{x}{7}$

$y = \frac{3 x}{7} - \frac{4}{7}$

$y = \frac{16}{7} - \frac{x}{7}$

Simplify the right side.

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Reorder $\frac{16}{7}$ and $- \frac{x}{7}$ .

$y = - \frac{x}{7} + \frac{16}{7}$

$y = \frac{3 x}{7} - \frac{4}{7}$

$y = - \frac{x}{7} + \frac{16}{7}$

$y = \frac{3 x}{7} - \frac{4}{7}$

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