Answer:
x=19
Step-by-step explanation:
Basic Algebra.
x - 13 = 6
Simply move the 13 to the right side.
This involves changing the sign to positive, due to it being a negative integer.
The resulting outcome is
x = 13+6
Which concludes to
The answer would be around 4.5 or 4.6
In step 3, Mark forgot to multiply 5 · 5, so he ended up with 5 in the denominator instead of 5 · 5 = 25
5x - 13 = x+19
5x-x=19+13
4x=32
x=32/4
x=8
Cb=5x-13
=5×8-3
=40-3
CB=37
AB=X+19
=8+19
AB=27
sorry to my answer ineed a point and i ask a question sory and thnks:(
