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5x - 20 = 1/2x + 1 + 2
5x - 20 = 1/2x + 3
5x - 1/2x = 3+ 20
4 i 1/2x = 23
x= 23 : 4 i 1/2
x= 23 : 9/2
x= 23 * 2/9
x= 46/9
x= 5 i 1/9
spr.
5(x - 4) = (x +2) : 2 + 2
L = 5(x - 4) = 5( 5 i 1/9 - 4) = 5 * 1 i 1/9 = 5 * 10/9 = 50/9= 5 i 5/9
P = (x + 2):2 + 2= (5 i 1/9 + 2):2 + 2 = 7 i 1/9 : 2 + 2= 64/9 * 1/2 +2= 32/9 *1/1+2=32/9 + 2= 3 i 5/9 + 2= 5 i 5/9
5 i 5/9 = 5 i 5/9
L=P