X+( x-3)=19 (x + 4)+ x = 16

Question

X+( x-3)=19
(x + 4)+ x = 16

Answer 1

Х+(х-3)=19
2х-3= 19
2х= 19+3
2х= 22
х= 22:2
х=11
( х+4)+х= 16
2х+4= 16
2х= 16-4
2х= 12
х= 12:2
х= 6

Answer 2

Х+х-3=19
2х-3=19
2х=22
х=11
х+4+х=16
2х+4=16
2х=12
х=6