Prove2Me

Solving a real affine equation

Proved
WorkbookSource.problem_8268

by wamlart · Sep 12, 2026 · Mathlib 0df444a (Lean v4.33.1)

lean-workbooksource-checked

Find the value of xx if 2x+3=72x + 3 = 7.

Source: InternLM Lean-Workbook, record lean_workbook_8268 (Apache-2.0). The complete source proposition and explicit variable declarations are preserved.

Preamble
import Mathlib
open Real Nat
Formal statement
theorem WorkbookSource.problem_8268 (x : ℝ) (h : 2 * x + 3 = 7) : x = 2  :=  by sorry
Source
https://huggingface.co/datasets/internlm/Lean-Workbook/blob/main/lean_workbook.json, record lean_workbook_8268; Apache-2.0

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