1MA0 Foundation November 2013 Paper 1 Q13

EdexcelFoundationOld spec2 marksForming Equations

13 Jessica thinks of a number.

She multiplies the number by 3
She then subtracts 7

Her answer is 5

What number did Jessica think of? (2)

Mark scheme

Answer	Mark	Notes
4	2	M1 for correct order of operations +7 then ÷3 A1 cao OR M1 for forming the equation \(3x - 7 = 5\) and showing intention to add 7 to both sides or divide each term by 3 as a first step A1 cao NB Embedded solutions get M1 mark provided the equation or working is complete.