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Mathematics 18 Online
OpenStudy (anonymous):

(4a-3) = a+13/a+1

OpenStudy (anonymous):

is it 13/a or 13/a+1

OpenStudy (anonymous):

its (a+13)/(a+1)

OpenStudy (anonymous):

a=2

OpenStudy (anonymous):

it says incorrect

OpenStudy (anonymous):

hw com?

OpenStudy (anonymous):

i don't know..let me see.

OpenStudy (anonymous):

it just says invorrect

OpenStudy (anonymous):

\[(4a - 3) = \frac{(a + 13)}{(a + 1)}\]Multiply both sides by (a + 1).\[(a + 1)(4a - 3) = \frac{(a + 13)}{(a + 1)} \times (a + 1)\]\[4a^2 + a - 3 = a + 13\]\[4a^2 - 16 = 0\]\[4(a^2 - 4) = 0\]\[4(a - 2)(a + 2) = 0\]\[a = -2, 2\]

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