11=7x-4
2[5y+2]-4=11
12-(3e-3)
9-(a+2)
3x-36=34-4x
Factorize completely 3ax + 5bx − 6ay − 10by.
x/8=-2
ln(sen^2 x )
5x-6=8
what is the value of f in this equation
7f+6=5f+22
