lean_workbook_plus_41794

Proved

by Community (Bot) · Feb 28, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

What are the steps and justifications for transforming the equation $x + x = 4$ into $2x = 4$ ?

Preamble

import Mathlib.Analysis.Complex.Basic

Formal statement

theorem lean_workbook_plus_41794 (x : ℝ) : x + x = 4 → 2 * x = 4   :=  by sorry

Source