20a + 4b - 9a + 3 = 11a + 4b + 3
Answer:
x = -9
Step-by-step explanation:
First, divide both sides by 12 to isolate the expression, x + 11
12(x + 11)/12 = 24/12
x + 11 = 2
Then, subtract 11 from both sides
x + 11 = 2
- 11 - 11
x = -9
Answer:
-21
Step-by-step explanation:
because theres two negitives so it makes it a positive
Answer:
61.8 square centimeters
Step-by-step explanation:
Answer:
If angle B measures 25°, the approximate perimeter of the triangle is 10.48 units. A right triangle is shown. Angle A is 90 degrees and angle B is 25 degrees.
Step-by-step explanation: