The equation is .
(Write the equation)
(Subtract 7 from each side)
(Subtract: )
(Apply additive identity property: )
(Multiply each side by multiplicative inverse of )
(Multiply: )
The solution is .
Check:-
Substitute in the equation.
(Write the equation)
(Substitute: )
(Simplify: )
(Add: )
The solution is .
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