Solve linear equations and inequalities in one variable, including literal linear equations.
Solve a one- or two-step linear equation
Problem
Solve the linear equation \(3x~+~4~=~19\).
Big Picture
What this problem is really about
The variable is wrapped first by multiplication and then by addition, so the inverse operations must undo those layers in reverse order. We’ll apply each operation to both sides, isolate the variable term before removing its coefficient, and then substitute the resulting value into the untouched original equation to verify the balance.
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