luvmya0 luvmya0
  • 21-11-2020
  • Mathematics
contestada

Evaluate the expression x + 3y - 4(z - 3) when x = 4, y = 6 and z = 5

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notthatsmart44
notthatsmart44 notthatsmart44
  • 21-11-2020
Since they already gave you the variables’ values just plug in.
4 + 3(6) - 4(5 - 3)
First solve what is inside the parenthesis.
4 + 3(6) - 4(2)
Then simplify.
4 + 18 - 8
Use PEMDAS.
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
4 + 18 = 22
22 - 8 = 14
The answer is 14.
Hope I helped:)
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