Question

Решите уравнения(568)

Answer 1

а)4х+4х=424
8х=424
х=424:8
х=53

Answer 2

А можно все остальные?

Answer 3

4х+4х=424
8х=424
х=424/8
х=53

15у-8у=714
7у=714
у=714/7
у=102

9z+z=500
10z=500
z=500/10
z=50

10k-k=702
9k=702
k=702/9
k=78

4l+5l+l=1200
10l=1200
l=1200/10
l=120

6t+3t-t=6400
8t=6400
t=6400/8
t=800