Solve systems by adding equations

Students learn why equations can be added, use opposite terms to eliminate one variable, and check their solution in both original equations. They follow worked examples, then show their reasoning on paper. Reminder: the ELO C1 full retake is Tuesday, November 3.

Elimination Studio

See why adding equations works, use opposite terms to find the unknowns, and check both equations. Follow the student companion: one sheet, front and back.

Open tool Student companion ↗