salyerbrooklyn
salyerbrooklyn salyerbrooklyn
  • 12-05-2016
  • Mathematics
contestada

-2(a-8)+6a=36
what's the value of a
A=

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penfila11Pen
penfila11Pen penfila11Pen
  • 12-05-2016
Distribute -1 into the brackets.
-2(a - 8) + 6a = 36
-2a + 16 + 6a = 36
Take 16 to the other side
-2a + 6a + 16 = 36
               - 16   -16
-2a + 6a = 36 - 16
Combine like terms
4a = 20
Divide by 4 on either sides to isolate a
[tex] \frac{4a}{4} = \frac{20}{4} [/tex]
4 and 4 cancels out.
a = 5
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