GCSE Maths Practice: forming-equations

Question 9 of 10

This question practices forming and solving age word problems as equations.

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\( \begin{array}{l}\text{Maya is 4 years older than twice her brother's age,} \\ \text{and their total age is 31.} \\ \text{Form and solve an equation to find the brother's age.}\end{array} \)

Choose one option:

Check arithmetic when combining terms.

Use expressions for both ages and sum them to isolate x.