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4x + 6 = 6x + 2
6-2=6x-4x
4=2x / :2
x = 2
b) x= 1+ 0,5x / -0,5x
0,5x=1 / *2
x = 2
x - ma Ala
x+3 - Ma Edek
x + 2*3- ma Ewa
x+x+3+x+6= 29
x=10