15a+20=4a+k

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Solution for 15a+20=4a+k equation:


Simplifying
15a + 20 = 4a + k

Reorder the terms:
20 + 15a = 4a + k

Solving
20 + 15a = 4a + k

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
20 + 15a + -4a = 4a + -4a + k

Combine like terms: 15a + -4a = 11a
20 + 11a = 4a + -4a + k

Combine like terms: 4a + -4a = 0
20 + 11a = 0 + k
20 + 11a = k

Add '-20' to each side of the equation.
20 + -20 + 11a = -20 + k

Combine like terms: 20 + -20 = 0
0 + 11a = -20 + k
11a = -20 + k

Divide each side by '11'.
a = -1.818181818 + 0.09090909091k

Simplifying
a = -1.818181818 + 0.09090909091k

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