Rozwiąż rownanie
a).7x+1=6-3x
b).3x-2=5(x+1)
c).trzy piąte x+1=2
d).-(4+x)=2(3-x)
a) 7x+1=6-3x
7x + 3x = 5
10x = 5
x = 0,5
b) 3x-2=5(x+1)
3x-2=5x+5
3x-5x - 5+2
-2x=7
2x= -7
x= -3,5
c) 3/5x +1=2
3/5x = 2-1
3/5x = 1
x = 5/3 = 1 2/3
d) -(4+x)=2(3-x)
-4-x = 6-2x
x = 6 +4
x = 10
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a) 7x+1=6-3x
7x + 3x = 5
10x = 5
x = 0,5
b) 3x-2=5(x+1)
3x-2=5x+5
3x-5x - 5+2
-2x=7
2x= -7
x= -3,5
c) 3/5x +1=2
3/5x = 2-1
3/5x = 1
x = 5/3 = 1 2/3
d) -(4+x)=2(3-x)
-4-x = 6-2x
x = 6 +4
x = 10