Paper 22 Q8(a)IGCSE 0580 May/June 2023

Question

Solve. 30 =6 x

This question tests your ability to solve a simple linear equation by isolating the variable x. Understanding how to rearrange equations is fundamental for all areas of mathematics.

Step-by-Step Solution

Key Takeaway

When solving equations with fractions, multiply both sides by the denominator to eliminate the fraction first.

Common Mistakes

Writing x = 30/6 = 5 without showing the intermediate step of getting 30 = 6x
Forgetting to multiply the right side by x when clearing the fraction, leading to 30 = 6 instead of 30 = 6x

Exam Tip

Always check your answer by substituting it back into the original equation: 30/5 = 6 ✓

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