Math, asked by saishabhayana, 6 months ago

add 2x+7y+8z , 10 z +y +4 and 7x+2z +12y

Answers

Answered by muskaan2406

1

Answer:

9x+20y+20z+4

Step-by-step explanation:

2x+7y+8z +10 z +y +4 + 7x+2z +12y

2x+7y+18z+y+4+7x+2z+12y

9x+8y+18z+4+2z+12y

9x+20y+20z+4

9x+20z+20z+4

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