I’m 100% sure it’s the 3rd one :)
Answer:
7 is x
Step-by-step explanation:
1) Divide both sides by 5 to give
4=-3+x
x=4+3
x=7
2) Multiply 5 with the RHS (Right Hand Side) to give
20=-15+5x
20+15=5x
35=5x
x=7
Answer:
B
D
C
C
C
Step-by-step explanation:
There you go, have a good day
All 3 triangle angles sum to 180 degrees.
So third angle = 180 -40 -60
third angle = 80 degrees