1. Home
  2. Lessons
  3. Systems of Equations: Solving by Elimination
CET Math Review · Algebra

Systems of Equations: Solving by Elimination

Solve 3x − 5y = 7 and 4x + 2y = 18 by elimination, step by step. Pick the letter to eliminate, match the coefficients, add the lines, and substitute back to find both values.

This lesson is part of a NEXUS plan.

Log in if you already have a plan, or pick one below. You pay once with any QR Ph app (GCash, Maya, your bank) and the whole library unlocks straight away.

Plans

Pick a plan, pay once by QR Ph

The diagnostic exam stays free. Everything else is one payment, no subscription.

Lessons + CET Practice

175 worked lessons and every practice set, marked instantly.

₱499one payment

Best value

All-Access Pass

Lessons, every practice set, and a seat in the current live review batch.

₱1,499one payment

Compare every plan, including the review pack and live classes »