Subtract 0.4: $ 2x = 4.2 $.

Mon, 04 May 2026 18:17:42 +0000

Subtract 0.4: Solving $ 2x = 4.2 $ Step-by-Step Understanding how to solve linear equations is a fundamental skill in math, and one common challenge students face is simplifying and solving equations like $ 2x = 4.2 $. In this article, we’ll explore the step-by-step process of solving $ 2x = 4.2 $, including how to subtract 0.4 as part of isolating the variable — a key method in algebra. --- ### What Does Subtract 0.4 Have to Do with $ 2x = 4.2 $?