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18 votes
18 votes
What is the value of 3x – 4y + z when x = 8, y = 2 and z = -6?

User Robert J
by
2.8k points

2 Answers

21 votes
21 votes

Answer:


3(8) - 4(2) + ( - 6) \\ \\ 24 - 8 - 6 \\ \\ 16 - 6 \\ \\ 10

User Ravid Goldenberg
by
2.9k points
14 votes
14 votes

Given~

  • x = 8

  • y = 2

  • z = -6

Let's Solve~


\: \: \: \: \: \: \: \: \: \: \: \: \sf \: 3x - 4y + z


\: \: \: \: \sf \: 3( 8 ) - 4 ( 2 ) + ( -6 )


\: \: \: \: \: \: \: \: \: \: \: \sf \: 24 - 8 - 6


\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \sf \: 16 - 6


\: \: \: \: \: \: \: \: \: \: \: \: \: \sf \: \: \: \: \: \: \: \: \: \underline{ 10}

Hope It's Helps~

User Ariadne
by
3.0k points