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Evaluate the expression for the given value of the variable(s).
5a + 5b; a=−6
, b=−5
To evaluate the expression 5a + 5b when a = -6 and b = -5, substitute the values of a and b into the expression.
5a + 5b = 5(-6) + 5(-5)
Now, multiply the numbers.
= -30 + (-25)
= -55
Therefore, when a = -6 and b = -5, the value of the expression 5a + 5b is -55.