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34-7x=3x+14
-7x-3x=14-34
-10x=-20 /:-10
X=2
b)
0,5x-7=23
0,5x=23+7
0,5x=30 /:0,5
X=60
c)
3(2x+1)=5(1-x)
6x+3=5-5x
6x+5x=5-3
11x=2 /:11
X=2/11
-7x-3x=-34+14
-10x=-20/-10
x=2
b)0,5x-7=23
0,5x=7+23
0,5x=30/0,5
x=60
c)3(2x+1)=5(1-x)
6x+3=5-5x
6x+5x=-3+5
11x=2/11
x=²/₁₁