Ответ:
Пошаговое объяснение:
1)4x+4x=424
8x=424
x=424/8
x=53
2)15y-8y=714
7y=714
y=102
3)9z+z=500
10z=500
z=50
4)10k-k=702
9k=702
k=78
5)4l+5l+l=1200
(4+5+1)l=1200
10t=1200
t=120
6)6t+3t-t=6400
(6+3-1)*t=6400
8t=6400
t=800
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Ответ:
Пошаговое объяснение:
1)4x+4x=424
8x=424
x=424/8
x=53
2)15y-8y=714
7y=714
y=102
3)9z+z=500
10z=500
z=50
4)10k-k=702
9k=702
k=78
5)4l+5l+l=1200
(4+5+1)l=1200
10t=1200
t=120
6)6t+3t-t=6400
(6+3-1)*t=6400
8t=6400
t=800