1) 7(х-5)=63
7x – 35 = 63
7x = 63 + 35
7x = 98
x = 14
2) 24(х+15)=432
24x + 360 = 432
24x = 432 – 360
24x = 72
x = 3
3) 14(3х-15)=252
42x – 210 = 252
42x = 252 + 210
42x = 462
x = 11
4) 8(112-5х)=816
896 – 40x = 816
– 40x = 816 – 896
-40x = -80
x = 2
1) 7(х-5)=63
7x – 35 = 63
7x = 63 + 35
7x = 98
x = 14
2) 24(х+15)=432
24x + 360 = 432
24x = 432 – 360
24x = 72
x = 3
3) 14(3х-15)=252
42x – 210 = 252
42x = 252 + 210
42x = 462
x = 11
4) 8(112-5х)=816
896 – 40x = 816
– 40x = 816 – 896
-40x = -80
x = 2