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Algebraic Expressions — Maths STD 7 — Question

Maharashtra BoardEnglish MediumSTD 7MathsAlgebraic Expressions2 Marks
Question
Simplify the following algebraic expressions by removing grouping symbols:
3x - (y - 2x)
✓

Answer

We have,
3x - (y - 2x)
Since the '-' sign precedes the parentheses, we have to change the sign of each term in the parentheses when we remove them. Therefore, we have
3x - y + 2x
= 5x - y

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