CookieMonster18
  • CookieMonster18
1. 3(x+4)=-2(x+5) 2.5x+9-7x-10=3x+4(x+2)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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harvey03
  • harvey03
1. = x + 2
CookieMonster18
  • CookieMonster18
whats X?? for #1 I don't understand how to solve these problems
harvey03
  • harvey03
It's called expanding brackets. You do 3 times x which = 3x, then 3 times 4 which = 12. Then you do -2 times x which = -2x, and then -2 times 5 which = -10. Finally you add all of these factors together, giving you an answer of x + 2

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More answers

taemin
  • taemin
\[3x+12=-2x-10\] try this
CookieMonster18
  • CookieMonster18
@harvey03 can you help with #2
harvey03
  • harvey03
I am not too sure how to do that one, sorry
taemin
  • taemin
\[5x+9-7x-10=3x+4(x+2) do like terms \]
taemin
  • taemin
\[5x+9-7x-10 do this half first\]
CookieMonster18
  • CookieMonster18
how if I don't know what x is??? @taemin
taemin
  • taemin
hold on i'm going to break it down
CookieMonster18
  • CookieMonster18
okay @taemin
CookieMonster18
  • CookieMonster18
you there @taemin
taemin
  • taemin
yep
taemin
  • taemin
|dw:1450127078860:dw|

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