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\"\"\"\"\"\"

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The equation is \"\".

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Distribute terms using distributive property:  a( b + c) = ab + ac.

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\"\"

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\"\"         (Multiply: \"\")\"\"

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Apply to subtraction property of equality: Subtract 2.1x from each side.

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\"\"

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Rearrange the terms using commutative property of addition: \"\".

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\"\"

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\"\"                   (Subtract: \"\")

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Apply to subtraction property of equality: Subtract 9.7 from each side.

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\"\"

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\"\"                       (Subtract: \"\")\"\"

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According to addition property of equality: Add 1.2 to each side.

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\"\"

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

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According to division property of equality: \"\" then \"\".

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\"\"                 (Divide each side by negative 0.4)

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\"\"                                       (Cancel common terms) \"\"

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Verify:

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To check the solution, substitute \"\" in original equation.

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\"\"

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\"\" (Multiply: \"\")

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

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

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Compare the values, the equation is true.\"\"

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The solution is \"\".

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