28*(х+5)=224
28x + 140 = 224
28x = 224 – 140
28x = 84
x = 3
(х+76):7=15
х+76=15*7
х+76=105
х=105-76
х=29
28*(х+5)=224
28x + 140 = 224
28x = 224 – 140
28x = 84
x = 3
(х+76):7=15
х+76=15*7
х+76=105
х=105-76
х=29