1.

17, 5x-lay-Tx-(3x-2y) + 4z-3(x + 3y-2z))

Answer»

5x - (4y- (7x-3z+2y +4z - 3x - 9y + 6z))= 5x - (4y-(4x - 7y + 5z))= 5x - (4y-4x+7y-5z)= 5x - 4y + 4x - 7y + 5z= 9x - 11y + 5z



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