1/2*2/3-x+7*5/21x-4=4
1/2 * 2/3 - x + 7 * 5/21x - 4 = 42/6 - x + 1 2/3x - 4 = 42/3 x = 4 - 2/6 + 42/3x = 7 4/6x = 7 4/6 // 2,3x = 46/6 * 3/2x = 11,5Mam nadzieję, że pomogłam ;)
A więc tak :
1/2 * 2/3 - x + 7 * 5/21x - 4 = 42/6 - x + 1 2/3x - 4 = 42/3 x = 4 - 2/6 + 42/3x = 7 4/6x = 7 4/6 // 2,3x = 46/6 * 3/2x = 11,5Czekam na naj xd
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1/2 * 2/3 - x + 7 * 5/21x - 4 = 4
2/6 - x + 1 2/3x - 4 = 4
2/3 x = 4 - 2/6 + 4
2/3x = 7 4/6
x = 7 4/6 // 2,3
x = 46/6 * 3/2
x = 11,5
Mam nadzieję, że pomogłam ;)
A więc tak :
1/2 * 2/3 - x + 7 * 5/21x - 4 = 4
2/6 - x + 1 2/3x - 4 = 4
2/3 x = 4 - 2/6 + 4
2/3x = 7 4/6
x = 7 4/6 // 2,3
x = 46/6 * 3/2
x = 11,5
Czekam na naj xd