Write down
15-80
Solve it by adding 15 to -80
The final answer is -65
Answer:

Step-by-step explanation:
The area of a triangle is given by:

From the diagram 
We substitute into the formula to get:

This implies that:

Answer:
No solution.
Step-by-step explanation:
8x - 4 = 2(4x - 4)
8x - 4 = 8x - 8
-4 = -8
-4 ≠ -8
Answer:
42
Step-by-step explanation:
90 (the angle that was got split)
if the right side got 48 degree, simply find jow much is left on tge left side.
90 - 48 = 42°