4x-30=2x+50
+30 +30
4x=2x+80
-2x -2x
2x=80
/2 /2
X=40
4(40)-30=130°
2(40)+50=130°
180-130=50°
Angle 7=50°
Answer:
The answer is 91/10
Step-by-step explanation:
hope this helps
Solutions:
2 3/5÷2/7
13/5÷2/7
13/5×7/2
=13×7=91
=5×2=10
That's why the answer is 91/10
A= hᵇb
2
hope that helped at all.
