Question

х+156=12*25 прошу помогите
$x + 156 = 12 \times 25$

Answer 1

х+156=12*25
х+156=300
х=300-156
х=144

Answer 2

х+156=12*25
х+156=300
х=300-156
х=144
--------------------
144+156=12*25
300=300