{х+у=5                                                                                                             {х·у=4

Harm means damage wrong. I get up early all my life and it hasnt done me any harm .Your words are not pleasant but they don t do me any harm. A lot of harm was done by fire last year. Set on fire . Fire is the condition of burning. She is afraid of fire. The danger of fire in an old wooden house is great. Nobody knows who set the house on fire.Keep something clean means to continue to be clean. Keep your working place clean.If you don t keep your teeth clean it will do you alot harm.перевести. СРОЧНА!!!!!

1.Решите систему уравнений:

x-y=4,

5^(x+y)=25;

2.Решите уравнение:

7^(x+1)+3*7^x=2^(x+5)+3*2^x