Question 7 of 18 in Algebra 5

Algebra 5

2 marks · Easy

Solve the simultaneous equations: \( x - y = 2 \ )

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x = 4, y = 2

Also accept: y = 2, x = 4

Common mistakes: x = 2, y = 4

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Marking points

M1 · 1 mark · Attempts to add or subtract equations correctly to eliminate a variable

A1 · 1 mark · Finds both values: x = 4, y = 2

Worked solution

Add the equations:

Substitute x = 4 into the first equation:

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