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Evaluate 3+(-h)+(-4) where h=-7.

Evaluate 3+(−h)+(−4) 3+(-h)+(-4) where h=−7 h=-7 .

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Full solution

Q. Evaluate 3+(−h)+(−4) 3+(-h)+(-4) where h=−7 h=-7 .
  1. Substitute value of h: First, we substitute the value of hh into the expression.3+(−h)+(−4)3 + (-h) + (-4) where h=−7h = -7 becomes 3+(−(−7))+(−4)3 + (-(-7)) + (-4).
  2. Simplify expression by calculating: Next, we simplify the expression by calculating the double negative for hh. 3+7+(−4)3 + 7 + (-4).
  3. Add and subtract numbers: Then, we add and subtract the numbers in the expression. 3+7=103 + 7 = 10, and then 10+(−4)=610 + (-4) = 6.
  4. Check calculations: Finally, we check our calculations to ensure there are no math errors. 3+7=103 + 7 = 10, 10−4=610 - 4 = 6, which confirms our previous step.

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