AM28
AM28
30-04-2018
Mathematics
contestada
7x+2^2=25
Please show steps
Thanks!
Respuesta :
yellowyarn2003
yellowyarn2003
30-04-2018
7x + 2² = 25
7x + 4 = 25
7x = 21
x = 3
x is equal to three
Answer Link
azhon22
azhon22
30-04-2018
7x+2^2=25
We move all terms to the left:
7x+2^2-(25)=0
determiningTheFunctionDomain 7x-25+2^2=0
We add all the numbers together, and all the variables
7x-21=0
We move all terms containing x to the left, all other terms to the right
7x=21
x=21/7
x=3
Answer Link
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