toscanojane toscanojane

24-11-2022
Mathematics

contestada

17 + 2.6b = 30
2.6b=30-17=
2.6b=13
b=13/2.6
2.6b/2.6=13/2.6
2.6b/2.6=5
b=5
How do I check this equation to see if it is correct?

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