Question

3(4х+11)+3х=108
помогите срочно

Answer 1

3(4х+11)+3х=108
12х+33+3х=108
15х=75
х=75:15
х=5

Answer 2

3(4х+11)+3х=108 |-3x
3(4х+11)=108-3x |÷3
4x+11=36-x   |-11
4x=25-x  |+x
5x=25  |÷5
 x=5