Mathematics for IGCSE & O level - Equations (Section 6 - No. 42)
Which of the following is the correct rearrangement of the equation a = x + b - c to make x the subject?
x = a + b + c
x = a - b + c
x = a + b - c
x = a - b - c
Explanation
Subtracting b and adding c to both sides gives x = a - b + c.
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