10x +3 - x = 398. (1+3)+4. (V – 2) = 40;15t + 30 – 15t = 42;e · (e-97) = 136(y-72): 84=203решите

Question

Математика: 10x +3 - x = 398. (1+3)+4. (V – 2) = 40;15t + 30 – 15t = 42;e · (e-97) = 136(y-72): 84=203решите

89132508504 · Answer

10х + 3 - х = 399х + 3 =399х=39-39х=36х=36 : 9х = 4...

10x +3 - x = 39
8. (1+3)+4. (V – 2) = 40;
15t + 30 – 15t = 42;
e · (e-97) = 136
(y-72): 84=203
решите