juniorwashere12 juniorwashere12

23-04-2020
Mathematics

contestada

help me solve this proportional
equation
[tex] \frac{9 + x}{9} = \frac{7}{3} [/tex]

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bloggermary bloggermary

23-04-2020

Cross multiplication, 3(9+x) = 63
27+3x = 63
3x = 63-27 = 36
x=36/3=12

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