Question

решительно пожайлуста очень срочно номер 568

Answer 1

а)4х+4х=424
8х=424
х=424:8
х=53
б)15у-8у=714
7у=714
у=714:7
у=102
в)9z+z=500
10z=500
z=500:10
z=50
г)10k-k=702
9k=702
k=702:9
k=78
g)4l+5l+l=1200
10l=1200
l=1200:10
l=120
e)6t+3t-t=6400
8t=6400
t=6400:8
t=800

Answer 2

4х+4х=424
8х=424
х=53
=======
15у-8у=714
7у=714
у=102
=======
9z+z=500
10z=500
z=50
=======
10k-k=702
9k=702
k=78
=========
4L+5L+L=1200
10L=1200
L=120
=========
6t+3t-t=6400
8t=6400
t=800