5y+3(7y+18)=106 Решите

Question

5y+3(7y+18)=106 Решите

Answer 1

5y+21y+54=106
26у+54=106
26у=106-54
26у=52
у=52:26
у=2

Answer 2

5y+21y+54=106 
26y=-54+106 
26y=52 
y=2