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Mathematics for IGCSE & O level - Inequalities (Section 1 - No. 46)

What do we do to both sides of the equation to keep the equation true, which is also the same for inequalities?
Always add a constant
Always subtract a constant
Always subtract a variable
Do the same thing to both sides.

توضيح

As long as you perform the same operation on both sides, the equation (or inequality) remains valid.

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