Answer:
Divide both sides by 9.
Step-by-step explanation:
To find the second step of the equation, we actually have to solve parts of the equation until we get to step 2.
Step 1: Add 23 to both sides.
Step 2: Divide both sides by 9.
Therefore, the second step is divide both sides by 9.
Have a lovely rest of your day/night, and good luck with your assignments! ♡
Answer:
-12.
Step-by-step explanation:
-(-2а + 13) + (-9а - 2) - (-7а - 3)
= 2a - 13 - 9a - 2 + 7a + 3
= 9a - 9a - 13 + -2 + 3
= -12.
According to my geometry notes two planes intersect at a line. Hope that helps:)