Twelve self-check questions on solving linear equations, with a full answer key — use it as a quick quiz.
1) 6 2) 7 3) 7 4) 24 5) 3 6) 5 7) 3 8) 4 9) 10 10) 7 11) 7 12) 7
Check yourself: substitute your answer back into the question — both sides must match.