Mathematics for IGCSE & O level - Algebraic Manipulation (Section 7 - No. 31)

Which of the following is a linear equation?

x^2 + 2x = 0

2x + 3 = 7

x^3 - 8 = 0

x^2 + y^2 = 4

설명

A linear equation is one where the highest power of the variable is 1

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