Mathematics · May / June 2026 · Paper 43 · Question 18
0580
As printed in the paper
Show the answer and mark scheme
18(a)(i)[2]
2 3 oe [2]
M1 for 3x + 3x = 5 – 1 or better Mark at most accurate. Accept 0.667 or better.
18(a)(ii)[2]
− 5 x oe final answer 3 [1]
Accept 5 – x/3 if correct version in working. 2
M1 for correct first step x = 5 – 3y or y + 3x = 5 or y – 5 = –3x x − 5 Accept e.g. . − 3
18(a)(iii)[2]
9x – 10 final answer [2]
M1 for 5 – 3(5 – 3x) For M1, condone if equated to 0.
18(b)[2]
16 [2]
M1 for [x =] h(2) or better
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