angel68
angel68
23-06-2016
Mathematics
contestada
ten times the sum of half a number and 6 is 18
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JoshEast
JoshEast
23-06-2016
[tex]( \frac{c}{2} + 6) * 10 = 18 [/tex]
[tex]( \frac{c}{2} + 6) = \frac{18}{10} [/tex]
[tex] \frac{c}{2} = \frac{18}{10} - \frac{6}{1} [/tex]
[tex]
\frac{c}{2} = - \frac{21}{5}
[/tex]
[tex]C = - \frac{21}{5} * 2[/tex]
[tex]C = - \frac{42}{5} [/tex]
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Bonjour est ce que vous pouvez m'aider pour cet exercice de maths de 3ème s'il vous plaît.
