Question

решите уравнения: 380+х=260+460, 900-z=420, 900-z=360+60, y-560=400, y-560=320+80, 610-k=370, 610-k=400-30

Answer 1

380+Х=260+460
380+Х=720
Х=720-380
Х=340

900-Z=420
Z=900-420
Z=480

900-Z= 360+60
900-Z= 420
Z=900-420
Z=480

Y-560=400
Y=560+400
Y=960

610-k= 370
k=610-370
k=240

Answer 2

380+ х = 720
Х= 720-380
Х= 340
380+340= 720
720=720

Z= 900-420
Z= 480
900-480=420
420=420
Y=400+560
Y=960
960-560=400

K=610-370
K=340
610-340=370