3) 9×(6x-13)=153; 4) 3× (8x+51)=201;

Question

3) 9×(6x-13)=153; 4) 3× (8x+51)=201;

Answer 1

54x - 270 = 0
x = 5

24x+153=201
24x-48=0
x=2

Answer 2

9(6х-13)=153
6х-13=153:9
6х-13=17
6х=17+13
6х=30
х=30:6
х=5

3(8х+51)=201
8х+51=201:3
8х+51=67
8х=67-51
8х=16
х=16:8
х=2