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Given equation is $\"\"$ .

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Rewrite the equation in the form Ax + By = C.

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Apply addition property of equality: Add 8m to each side.

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$\"\"$

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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$\"\"$ (Add: $\"\"$ ) $\"\"$

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Apply subtraction property of equality: Subtract 7n from each side.

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$\"\"$

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$\"\"$ (Apply additive inverse property: $\"\"$ )

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Rewrite the equation so that both variables are on the same side of the equation.

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$\"\"$ (Subtract 4 from each side)

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Apply commutative property of addition: $\"\"$ .

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$\"\"$

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$\"\"$ (Apply additive inverse property: $\"\"$ ) $\"\"$

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The equation is now in standard form where A = 6, B = $\"\"$ 7 and C = $\"\"$ 4.

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This is a linear equation. $\"\"$

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Equation is a linear equation.