3x=(x+12)*2,5 htitybt

Question

3x=(x+12)*2,5 htitybt

Answer 1

3х=(х+12)*2,5
3х=2,5х+30
3х-2,5х=30
0,5х=30
х=60

Answer 2

3х=2.5х+30
3х-2.5х=30
0.5х=30
х=30÷0.5
х=60