4X-2=10方程的过程？

Question

如题所述

Answer 1

解：解方程，此方程的解为x = 3
4x - 2 = 10
4x = 10 + 2
4x = 12
x = 12 ÷ 4
x = 12 × 1/4
x = 12/4
∴x = 3
答：此方程的解为x = 3