Answer:
A: Step 1: 6x − 10 = 1; Step 2: 6x = 11
Step-by-step explanation:
First: remove parentheses by multiplying factors.
6x - 10 = 1
Second: Move the constants to the right side of the equation
6x = 1 + 10
6x = 11
Use the Pythagorean therm , you know the a^2+b^2=c^2
(-3) + (-5) + 9
(-3) + (-5) = -8
-8 + 9
= 1