Exercises: Solving Equations

Solve each equation and check your answer by substituting it back in, unless a shortcut method is asked for.

Grade 7·18 problems·~27 min·Uganda NCDC Primary 7 Mathematics·lesson·algebra-03

Work through problems with immediate feedback

Fluency Practice

What must you do first to solve $2(x + 5) = 18$ ?

Expand the bracket: $2x + 10 = 18$

Divide both sides by $2$ before expanding, since the bracket is multiplied by $2$

Subtract $5$ from both sides immediately, since $5$ is inside the bracket