Linear equations

Get x on its own without losing marks on the way.

• 1The cover-up trickCover the x with your thumb and ask what number belongs there. 4 practice questions+15 XP
• 2Change the side, change the signMove a term across the equals sign and flip what it does. 4 practice questions+20 XP
• 3Two-step equations: the balanceUndo in reverse order — constants first, coefficient last. 4 practice questions+20 XP
• 4Inequalities: when to flip the signMultiply or divide by a negative, and the inequality turns around. 3 practice questions+20 XP
• 5Two equations: eliminationAdd or subtract the equations to make one letter disappear. 3 practice questions+25 XP