np.3x+1=x-4
3x-x=4-1
2x=-5:2
x=-2,5
a)2x+4=x-5
b)x-1=8-7x
c)3x+1-x=4+x
d)6x-1=8+x
dam naj!!!!
a) 2x+4=x-5
2x-x=-5-4
x=-9
x+7x=8+1
8x=9/:8
x=1,1
2x=3/:2
x=1.5
6x-x=8+1
5x=9/:5
x=1.8
8x=9 |:8
x=1,125
3x-x-x=4-1
x=3
5x=9 |:5
x=1,8
na 100% jest dobrze ;))
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a) 2x+4=x-5
2x-x=-5-4
x=-9
b)x-1=8-7x
x+7x=8+1
8x=9/:8
x=1,1
c)3x+1-x=4+x
3x-x=4-1
2x=3/:2
x=1.5
d)6x-1=8+x
6x-x=8+1
5x=9/:5
x=1.8
a)2x+4=x-5
2x-x=-5-4
x=-9
b)x-1=8-7x
x+7x=8+1
8x=9 |:8
x=1,125
c)3x+1-x=4+x
3x-x-x=4-1
x=3
d)6x-1=8+x
6x-x=8+1
5x=9 |:5
x=1,8
na 100% jest dobrze ;))