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Edexcel IGCSE Math A Foundation 2.4.A Linear Equations in One Unknown

Edexcel IGCSE Math A Foundation 2.4.A Linear Equations in One Unknown
Edexcel IGCSE Math A syllabusMath A 4MA1First assessment 2018

Practise solving linear equations with integer or fractional coefficients and unknowns on one or both sides.

How this is tested

  • expand brackets and collect all unknown terms on one side
  • clear fractional coefficients using a common multiple before rearranging
  • show equivalent algebraic steps and verify fractional or decimal solutions by substitution

Question 4

Question 4(c)

(a)

Solve 4 x=48

x=
[ 1 ]

Question 4(d)

(b)

Solve 18-w=13

w=
[ 1 ]