Answer:
91
Step-by-step explanation:
Because the equation is equal to 91

2d +9= 19
The solution is d =

Hello there, first we can place our equation, which you have stated
, this algebra, in algebra we want to find the exact value of the variable, or have the variable on one side of the equation.
First we can subtract
with both sides of the equation giving us the result of
, this can also be represented as
, now just divide both sides of the equation by
, our answer is
.
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It’s the second one. The symbol means “less than or equal to,” so it would be a closed circle with the arrow pointing to everything less than -1
Answer:
(-1,4)(1,4)
2
Step-by-step explanation: