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Evaluate 
-y+(-z)+7.99 where 
y=1.46 and 
z=3.82.

Evaluate y+(z)+7.99 -y+(-z)+7.99 where y=1.46 y=1.46 and z=3.82 z=3.82 .

Full solution

Q. Evaluate y+(z)+7.99 -y+(-z)+7.99 where y=1.46 y=1.46 and z=3.82 z=3.82 .
  1. Substitute given values: First, we need to substitute the given values of yy and zz into the expression. So we replace yy with 1.461.46 and zz with 3.823.82. The expression becomes: 1.46+(3.82)+7.99-1.46 + (-3.82) + 7.99.
  2. Perform addition and subtraction: Next, we need to perform the addition and subtraction in the expression. We start by adding the negative numbers: 1.46-1.46 and 3.82-3.82.\newline1.46+(3.82)=1.463.82=5.28-1.46 + (-3.82) = -1.46 - 3.82 = -5.28.
  3. Final calculation: Now, we add the result from the previous step to 7.997.99. 5.28+7.99=2.71-5.28 + 7.99 = 2.71.