adiyt037 adiyt037

19-10-2019
Mathematics

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Add 2x + 3y +7 and 2x - y - z

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annie1799 annie1799

19-10-2019

Answer:

4x+y-z+7

Step-by-step explanation:

use parentheses to separate the 2 parts of the equations

(2x+2y+7)+(2x-y-z)

then combine like terms (terms with the same variables)

note that z and 7 are the only two terms without any like terms, so they stay the same.

4x+y-z+7

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