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Algebraic Expressions — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsAlgebraic Expressions2 Marks
Question
Simplity:
(5x - 9y) - (-7x + y)
✓

Answer

(5x - 9y) - (-7x + y)
= 5x - 9y + 7x - y
= 5x + 7x - 9y - y
= 12x - 10y

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