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3 votes
Simplify the expression by combining like terms. Write the terms in alphabetical order of the variables.

X+20y-2z+19x-2y+19z

1 Answer

1 vote

Answer:
20x+18y+17z

Explanation:


x+20y-2z+19x-2y+19z\\(x+19x)+(20y-2y)+(-2z+19z)\\20x+18y+17z

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