Rozwiąż równanie. a)7t-17=6t-16 b)23s-45=19s-39 Pliss... tylko całe równania !
a)
7t-17=6t-16
7t - 6t = -16 + 17
t = 1
b)
23s-45=19s-39
23s - 19s = - 39 + 45
4s = 6
s = 6 : 4
s = 6/4
s = 3/2
s = 1,5
7t-6t=-16+17
t=1
spr
7-17=-10 6-16=-10 L=P
23s-19s=-39+45
4s=6
s=6/4
s=1,5
23*1,5-45=34,5-45=-10,5
19*1,5-39=28,5-39=-10,5 L=P
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a)
7t-17=6t-16
7t - 6t = -16 + 17
t = 1
b)
23s-45=19s-39
23s - 19s = - 39 + 45
4s = 6
s = 6 : 4
s = 6/4
s = 3/2
s = 1,5
a)
7t-17=6t-16
7t-6t=-16+17
t=1
spr
7-17=-10 6-16=-10 L=P
b)
23s-45=19s-39
23s-19s=-39+45
4s=6
s=6/4
s=1,5
spr
23*1,5-45=34,5-45=-10,5
19*1,5-39=28,5-39=-10,5 L=P