arodr237 arodr237

04-11-2020
Mathematics

contestada

Plz show steps
x^2+5=21

Respuesta :

KariThaBarbie KariThaBarbie

04-11-2020

Answer:

8

Step-by-step explanation:

X•2+5=21

Isolate the variable by dividing each side by factors that don’t contain the variable.

Check your work:

8x2+5=21

8x2=16

16+5=21

21=21

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