Question

Evaluate the expression for a =-1 and b=5.
5a-7

Answer 1

-5+(-7)

Answer 2

simplify that

Answer 3

how do I do that on my sciencific or graphing calculator

Answer 4

its not hard you plug in what i wrote or just do it in your head

Answer 5

negative numbers adding so negative five plus negative 7 is negative 12

Answer 6

so your answer would be -12