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Mathematics 8 Online
Ashbug:

Simplify the following expression: 5x − 6y + 5z − x − 12y + 2z 6x − 18y + 7z 4x − 18y + 7z 4x − 6y + 7z 6x − 6y + 7z

dude:

Hey try to not give direct answers You are supposed to combine like terms (Numbers that share a variable, like 5x and -x) you cannot combine numbers that do not share the variable like 5x-6y

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