Step 1: move 64 to a left side, -13 - 64 = 7d
Step 2: -77 = 7d
Step 3:

= d
Step 4: d = -11
the answer is B.12 because 8*2=16 and 28-16=12
hope i helped
A explanation it is second highest
Answer:
x = 9
Step-by-step explanation:
You can solve this problem by isolating the variable.
3-√x = 0
√x = 3 (add √x to both sides of the equation)
x = 9 (square both sides of the equation)