Show all steps evaluate the expression for the given value of the variable 5 a+5b,a=-6,b=-5
5 a+5b
5(-6) + 5(-5)
-30 + (-25) = -55
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To evaluate the expression 5a + 5b, with a = -6 and b = -5, we substitute the values of a and b into the expression and perform the necessary calculations.
1. Write down the expression: 5a + 5b.
2. Substitute the value of a = -6 into the expression: 5(-6) + 5b.
3. Simplify the first term: -30 + 5b.
4. Substitute the value of b = -5 into the simplified expression: -30 + 5(-5).
5. Simplify the second term: -30 - 25.
6. Perform the subtraction: -55.
Therefore, the final result is -55.