That's 21.
Hope this helps !
Nyway
Answer:
Step-by-step explanation:
this is a famous triangle :) known as the 3-4-5 triangle...
it has an angle of 53.73... on the side with the 3
and an angle of 36.869... on the side with the 4
hope that helps with what ever the question is :)
Answer: 
Step-by-step explanation:
Answer:
Step-by-step explanation:
Step 1
Having all the
x
terms on one side of =
Subtract
2
x
from both sides
2
x
−
2
x
+
3
=
3
x
−
2
x
−
4
0
+
3
=
x
−
4
Swap round
x
−
4
=
3
'~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Step 2
Have just
x
on the left of =
Add
4
to both sides
x
−
4
+
4
=
3
+
4
x
=
7
