sidharthsuresh6d
sidharthsuresh6d sidharthsuresh6d
  • 03-09-2021
  • Mathematics
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Help me with this Thanks!

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sam67656 sam67656
  • 03-09-2021

[tex] \bold \red{answer}[/tex]

(49+11)+(-30)=49+{11+30}

Step by step

(49+11)+(-30)=49+{11+___}

(49+11)+(-30)=49+{11+x}

49+11−30=49+11+x

49+11+−30=49+11+x

(49+11+−30)=(x)+(49+11)

30=x+60

30=x+60

x+60=30

x+60−60=30−60

x=−30

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