Math, asked by SCONshebajoseph, 3 months ago

Add
3x+4y+5z and 2x -3y-4z
plz \: explain

Answers

Answered by beststudent1
2

Answer:

so simple.

3x + 4y + 5z \:  \: and \:  \: 2x - 3y - 4z

3x+4y+5z

+2x-3y-4z

5x-7y-9z

so answer is 5x-7y-9z

Answered by MrHyper
48

\huge\rm\color{gray}{answer:}

{ }

\bf{{\underline{To~add}}:}

 \rm (3x + 4y + 5z) \:  \: and \:  \: (2x - 3y - 4z) \\  \rm \longmapsto (3x + 4y + 5z) + (2x - 3y - 4z)  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\ \bf Collecting \: the \: like \: terms \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \rm \longmapsto (3x + 2x) + (4y - 3y) + (5z - 4z) \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \\  \rm \longmapsto  \color{gray}{ \underline{ \boxed{ \bf 5x + y + z}}} \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:

\bf\therefore{{\underline{Required~answer}}:}

\rm{~~~~(3x + 4y + 5z) + (2x - 3y - 4z)}

\rm{=\color{gray}{ \underline{ \boxed{ \bf 5x + y + z}}}}

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