liltt901 liltt901

06-12-2016
Mathematics

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What is the solution to the equation -2(1 + 5a) = -6(a + 3)
a=

Respuesta :

charstar charstar

06-12-2016

-2(1+5a)=-6(a+3)
Expand the brackets:
-2-10a=-6a-18
Add 10a to each side:
-2=4a-18
Add 18 to each side:
16=4a
Divide each side by 4:
4=a

Hope this helps :)

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