Simplify the following algebraic expressions
(ii) [2x + (3x - 5y + 7z)] - 2 (5x-3z)
plz give me answer in detail
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Answer:
[2x+ (3x - 5y + 7z) ] -2 ( 5x- 3z)
=[2x + 3x - 5y + 7z ] -10x +6z
=5x - 5y + 7z - 10x + 6z
= 5x- 10x - 5y + 7z + 6z
= -5x - 5y + 13z
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