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Mathematics, 11.07.2019 20:20 bc3286

Eequation 3(x-1.25) = 11.25 his work is shown below.
3(x-1.25) = 11.25
3x-3.75 = 11.25
3x-3.75 +3.75 = 11.25 +3.75
3x = 15
3x 3 = 45.3
x= 135
what mistake did tobin make?
tobin did not distribute the 3 correctly
tobin should have subtracted 3.75 from each side
tobin should have divided by 3

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Answers: 3

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You know the right answer?
Eequation 3(x-1.25) = 11.25 his work is shown below.
3(x-1.25) = 11.25
3x-3.75 = 11.25
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