( 3*x) + 25 = ( 4 * x ) - 3
3Х+25=4Х-3
3Х-4Х=-3-25
-Х=-28
Х=28
3x + 25 = 4x - 3
3x - 4x = -3 -25
-x = -28
x= 28
Ответ: х = 28