ROZWIĄŻ RÓWNANIE. Pokaż jak to zrobiłeś/aś : 4*(x+20)* 1/3 = x-20+2/3(x+20)
(4x + 80) : 3 = x-20 + 2/3x + 40/3
4/3x + 80/3 = x-20 + 2/3 x + 40/34/3 x - x -2/3x = 40/3 -20 - 80/3
-1/3 x = -100 \ * (-3)
x = 300
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(4x + 80) : 3 = x-20 + 2/3x + 40/3
4/3x + 80/3 = x-20 + 2/3 x + 40/3
4/3 x - x -2/3x = 40/3 -20 - 80/3
-1/3 x = -100 \ * (-3)
x = 300