$\"\"$ $\"\"$ $\"\"$

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The equation is $\"\"$ .

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$\"\"$ (Distribute $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ )

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$\"\"$ (Apply distributive property: $\"\"$ )

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$\"\"$ (Multiply: $\"\"$ ) $\"\"$

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Apply addition property of equality: Add 24 to each side.

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$\"\"$

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

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

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

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Apply addition property of equality: Add 0.6c to each side.

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$\"\"$

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Apply commutative property of addition: a + b = b + a.

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$\"\"$

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

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

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$\"\"$ (Add: 2.4c + 0.6c = 3c) $\"\"$

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Apply division property of equality: If a = b then $\"\"$ .

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$\"\"$ (Divide each side by 3)

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$\"\"$ (Cancel common terms)

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$\"\"$ (Divide: $\"\"$ ) \ \ $\"\"$

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The solution is c = 7.