Answer:
a = - 1
Step-by-step explanation:
Step 1:
6a + 5a = - 11 Equation
Step 2:
11a = - 11 Combine Like Terms
Step 3:
a = - 11 ÷ 11 Divide
Hope This Helps :)
a= -1
First you combine like terms which in this equation is 6a and 5a. so, 5 + 6 is 11 so you get 11a. Then just move the equal sign over and do nothing with the -11.
PLEASE MARK BRAINLIEST
STEP 8
108
13√2
this is cuz of the 45 45 90 formula