2x + 3x +4y-8y +8z +9x - 4z
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2x+3x+4y-8y+8z+9x-4z
=14x-4y+4z
=14x-4y+4z
Answered by
19
2x + 3x +4y-8y +8z +9x - 4z
2x + 3x + 9x + 4y - 8y + 8z - 4z
14x - 4y + 4z
2x + 3x + 9x + 4y - 8y + 8z - 4z
14x - 4y + 4z
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