rad(x+12)-rad(x-15)=3

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Solution for rad(x+12)-rad(x-15)=3 equation: 


Simplifying
rad(x + 12) + -1rad(x + -15) = 3

Reorder the terms:
adr(12 + x) + -1rad(x + -15) = 3
(12 * adr + x * adr) + -1rad(x + -15) = 3
(12adr + adrx) + -1rad(x + -15) = 3

Reorder the terms:
12adr + adrx + -1adr(-15 + x) = 3
12adr + adrx + (-15 * -1adr + x * -1adr) = 3
12adr + adrx + (15adr + -1adrx) = 3

Reorder the terms:
12adr + 15adr + adrx + -1adrx = 3

Combine like terms: 12adr + 15adr = 27adr
27adr + adrx + -1adrx = 3

Combine like terms: adrx + -1adrx = 0
27adr + 0 = 3
27adr = 3

Solving
27adr = 3

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '27dr'.
a = 0.1111111111d-1r-1

Simplifying
a = 0.1111111111d-1r-1

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