Question

Помогите !!!!!!!! Очень надо!!!!! ЯКЛАСС

Answer 1

3у-2=у+5

3у-у=5+2

2у=7

у=3,5

Answer 2

с^5·p^7
4,35·10² = 435
1/3 = 3^-1
1/3 = (1/3)^1
3у -2 = у+5
2у = 7
у = 3,5
7r -2 +11r -1 = 0
18r = 3
r = 1/6