exam
Maths Puzzle
Numerical Ability
3x - 6 = 4x -18
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exam Other Question
IF LEAH ID 6 YEARS OLD THAN HER SISTER, SUE, ADN JOHN IS 5 YEARS OLDER THAN LEAH, AND THE TOTAL OF THEIR AGES IS 42. THEN HOW OLD IS SUE?
please help to solve
x + 3y = 7
xy = 2