anonymous
  • anonymous
im suuppeerr confused with this can someone help me understand how to do this (for medal and maybe fan)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
A pair of equations is shown below: y = 6x + 9 y = 7x + 7 What is the solution to the pair of equations? (–2, 21) (2, 21) (–2, –21) (2, –21)
anonymous
  • anonymous
b
anonymous
  • anonymous
is correct answer

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Mehek14
  • Mehek14
first, substitute the first equation into the second one
anonymous
  • anonymous
want explination
anonymous
  • anonymous
how do i solve lol yea ok @Mehek14 then what
Mehek14
  • Mehek14
\(6x + 9= 7x + 7 \) then, combine like terms \(7x-6x=x\\9-7=2\\x=2\)
Mehek14
  • Mehek14
so you have \((2,?)\) we need to find the y value so plug 2 in 6x + 9 \(6*2+9\\6*2=12\\12+9=21\\(2,21)\)
anonymous
  • anonymous
ohhh ok thanks lol id fan you but i already did but if i have another question like this can you work it out with me you explained it good i just have different kind of that concept hard to explain lol
Mehek14
  • Mehek14
ok

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