Question

u + a = 1 and 14u +49a =8.4

Answer 1

Hey mate!@!!!!⭐⭐⭐

Here is ur ans

_________
______________
u+a =1 a=1-u


14u+49a=8.4
7(2u+7a)=8.4
2u+7a=8.4×7
2u+7a=58.8
2u+7(1-u)=58.8
2u+7-7u=58.8
2u-7u=58.8-7
2u-7u=51.8
-5u=51.8
u=5l.8/-5

Answer 2

ʜᴇʏ ᴍᴀᴛᴇ

ʜᴇʀᴇ ɪs ᴜʀ ᴀɴ
ᴜ+ᴀ =1 ᴀ=1-ᴜ

14ᴜ+49ᴀ=8.4
7(2ᴜ+7ᴀ)=8.4
2ᴜ+7ᴀ=8.4×7
2ᴜ+7ᴀ=58.8
2ᴜ+7(1-ᴜ)=58.8
2ᴜ+7-7ᴜ=58.8
2ᴜ-7ᴜ=58.8-7
2ᴜ-7ᴜ=51.8
-5ᴜ=51.8
ᴜ=5ʟ.8/-5