The equation is

Subtractiuon property of equality: If then :

Subtract 4 from both sides

(Additive inverse property: )

(Additive inverse property: )

(Subtract: )

(Divide both sides by 3)

(cancel common terms)

(Divide: )

__Check:__

To check the solution, substitute in original equation.

(Substitute )

(Multiply: )

(Add: )

Compare the values, the equation is true. The solution is .

The value of .

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