The equation is .
(Apply distributive property: a (b + c) = ab + ac)
(Multipy: )
(Subtract from each side)
(Simplify)
(Add 1 to each side)
(simplify)
Check:
To check the solution , substitute in the original equation.
(Substitute )
(Add: 13 + 6 = 19)
(Multipy )
(Subtract: )
The solution is .
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