1 ) x : 17 + 3 = 18 2) 2x - 9 = 23 ) 3 ) (x - 3 ) : 2 = 6 4 ) 4 ( x + 5 ) = 48

Question

1 ) x : 17 + 3 = 18 2) 2x - 9 = 23 ) 3 ) (x - 3 ) : 2 = 6 4 ) 4 ( x + 5 ) = 48

Answer 1

1) х:17+3=18
х:17=18-3
х:17=15
х=17*15
х=225

2)2х-9=23
2х=23+9
2х=32
х=32:2
х=16

3) (х-3):2=64
х-3=64*2
х-3=128
х=128+3
х=131

4) 4(х+5)=48
х+5=48:4
х+5=12
х=12-5
х=7