brianamariahluna
brianamariahluna brianamariahluna
  • 11-09-2018
  • Mathematics
contestada

is 6 a solution of 5(c - 9) = - 15?

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abhi569
abhi569 abhi569
  • 11-09-2018
5( c - 9 ) = - 15


Opening Brackets ,



= > 5( c ) - 5( 9 ) = - 15

= > 5c - 45 = - 15



Add 45 on both sides,



= > 5c - 45 + 45 = - 15 + 45

= > 5c = 30



Divide by 5 on both sides,

= > 5c / 5 = 30 / 5

= > c = 6






Hence, 6 is the solution of the given equation.
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