isabellabrehm05 isabellabrehm05
  • 04-03-2021
  • Mathematics
contestada

Solve each system by substitution. − 7x + 2y = − 19
2y − 21 = x

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BladeRunnerz
BladeRunnerz BladeRunnerz
  • 04-03-2021

Answer: the first one is x=19/7+2y/7

the second one is y=x/2+21/2

hope this help :)

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zaidb27 zaidb27
  • 04-03-2021
Here is the step by step explanation
Hope this helps
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