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Simplify 6x-3y-z+2x+3y-7z

2 Answers

10 votes

Answer:

8x - 8z

Explanation:

6x - 3y - z + 2x + 3y - 7z

→ 6x + 2x = 8x

→ -3y + 3y = 0

→ -z - 7z = -8z

User Turid
by
4.6k points
0 votes

Answer:

8x-8z

Explanation:

6x-3y-z+2x+3y-7z this equation goes to every step below.

since there are 2 opposites, add up to zero, remove them from the expression

-> 6x-z+2x-7z. (-3y. +3y)

collect like terms.

-> 8x-z-7z. (6x. +2x)

collect like terms.

-> 8x-8z

User Dmitry Dmitriev
by
4.2k points