madison983 madison983
  • 26-02-2018
  • Mathematics
contestada

Negative 18=r-3
What r and how did you get it

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averygameknowsb
averygameknowsb averygameknowsb
  • 26-02-2018
Ok, so if you’re saying -18=r-3, then first you need to add 3 to each side so you can move the 3 with the -18 so you can isolate r. (Leave it by itself). So now your equation is -18+3=r. Next, combine like terms, so do -18+3, which is -15. Now you have -15=r, so r is equal to -15.
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