Add the expressions 2x+3y+4z and 5x+7y+4z+20
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=(2x+3y+4z) + (5x+7y+4z+20)
=2x+3y+4z+5x+7y+4z+20
=2x+5x+3y+7y+4z+4z+20
=7x+10y+8z+20
anaghaammurajeev:
Thanks..!
welcome
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