Mathematics for IGCSE & O level - Equations (Section 6 - No. 1)
If you want to solve the equation 5x = 20, what operation will you use?
Add 5 to both sides.
Subtract 5 from both sides.
Multiply both sides by 5.
Divide both sides by 5.
Vysvetlenie
Isolate x by dividing by 5.