(x-16) * 9=126
9x-144=126
9x=126+144
9x=270
x=240:9
x=30
28 (x+6) = 224
28x+140=224
28x=224-140
28x=84
x=84:28
x=3
(х+76) : 7=15
х+76=15*7
х=105-76
х=29
(x-16) * 9=126
9x-144=126
9x=126+144
9x=270
x=240:9
x=30
28 (x+6) = 224
28x+140=224
28x=224-140
28x=84
x=84:28
x=3
(х+76) : 7=15
х+76=15*7
х=105-76
х=29