Equations often contain algebra. Algebra is used in Maths ... the inverse operations to undo the equation. STEP 5 - You’ve found the answer x = 2. Always remember to put the units back in.

An equation is a statement with an = sign. It tells us that the expression on the left-hand side of the = sign is equal to the expression on the right-hand side. Module 2 (M2) - Algebra - Expand ...