SOLUTION: -3(4-2x+3y-z)+7(-1-x+2y+2z)
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Question 430392: -3(4-2x+3y-z)+7(-1-x+2y+2z)
Answer by algebrahouse.com(1659) (Show Source): You can put this solution on YOUR website!
-3(4 - 2x + 3y - z) + 7(-1 - x + 2y + 2z)
= -12 + 6x - 9y + 3z - 7 - 7x + 14y + 14z {used distributive property}
= -x + 5y + 17z - 19 {combined like terms}
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