Solve multi-step linear equations, including equations requiring simplification first.
Simplify first, then solve
Problem
Combine like terms, then solve for \(x\): \(3x~+~5~+~2x~=~25\)
Big Picture
What this problem is really about
Simplify the equation before applying inverse operations. The two x-terms are like terms, so combine their coefficients while leaving the constant separate. With one variable term remaining, remove the constant and then divide by the combined coefficient; substitution checks the original unsimplified equation.
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