Mathematics - Pre-Algebra - Two-step equations - Two-Step Equation Method

6 steps: (1) 3x + 5 = 20. TWO operations on x (multiply by 3, add 5). Undo in REVERSE order! (2) Step 1: Undo addition. Subtract 5: 3x = 15. (3) Step 2: Undo multiplication. Divide by 3: x = 5. (4) Check: 3(5)+5 = 15+5 = 20 ✓. (5) Another: 2x - 7 = 11. Add 7: 2x = 18. Divide by 2: x = 9. (6) With va

Edodovivmagarwal
Mathematics - Pre-Algebra - Two-step equations - Two-Step Equation Method
Log in

Preparing your experience...

Loading scripts and resources

Comments (0)

0/5000

Comments are reviewed before appearing publicly.

About this Experience

Mathematics - Pre-Algebra - Two-step equations - Two-Step Equation Method

vivmagarwal
vivmagarwalJan 29, 2026

Description

6 steps: (1) 3x + 5 = 20. TWO operations on x (multiply by 3, add 5). Undo in REVERSE order! (2) Step 1: Undo addition. Subtract 5: 3x = 15. (3) Step 2: Undo multiplication. Divide by 3: x = 5. (4) Check: 3(5)+5 = 15+5 = 20 ✓. (5) Another: 2x - 7 = 11. Add 7: 2x = 18. Divide by 2: x = 9. (6) With va

Details

MathematicsPre-AlgebraStage 7, Class 7, Class 7, MYP Grade 7, Grade 7

Engagement

6

Likes

0

Remixes

10

Comments

Browse all experiences