39 has four factors.
They are:
1, 3, 13, and 39 .
Answer:
4
Step-by-step explanation:
An equilateral triangle has 3 equal sides.
So
4(x-1) = x +8
4x-4=x+8
3x=12
x=4
Same result obtained when comparing the other pairs of equations.
Any number that is irrational, such as
0.4 + pi because pi is an irrational number.
Answer:
5
Step-by-step explanation:
x-3+7=2x-1
x+4=2x-1
Subtract x from both sides:
4=x-1
Add 1 to both sides:
x=5
Hope this helps!