Решите уравнения
а) 3 ( x-2) + 5 (7-x)=4
б) 0.8 (2y+3) - 1.2 (3y-4) = 0.6
г)2.3 (5-3m) + 7.6 (m-2) = -1.6
Решите уравнение
а)3.1 (2-x) + 4.5= 7.2 - 4.3 (-3.7+x)
а) 3 ( x-2) + 5 (7-x)=4
б) 0.8 (2y+3) - 1.2 (3y-4) = 0.6
г)2.3 (5-3m) + 7.6 (m-2) = -1.6
Решите уравнение
а)3.1 (2-x) + 4.5= 7.2 - 4.3 (-3.7+x)
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3y=6+2y Z=6-5z X+2=4-x решить уравнения
1) 3Y = 6 + 2Y3Y - 2Y = - 6
Y = - 6
2) Z = 6 - 5Z
Z + 5Z = 6
6Z