GCSE Maths Practice: forming-equations

Question 8 of 10

This question practices forming and solving equations from total cost word problems.

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\( \begin{array}{l}\text{Lisa buys 3 packs of pens at (£}x\text{) each,} \\ \text{and a pencil case for £4.} \\ \text{She spends £19 in total.} \\ \text{Form and solve an equation to find } x.\end{array} \)

Choose one option:

Carefully follow each step to avoid calculation errors.

Subtract the fixed cost, then divide by the number of packs to isolate x.