3a+20=4-a+k

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Solution for 3a+20=4-a+k equation:


Simplifying
3a + 20 = 4 + -1a + k

Reorder the terms:
20 + 3a = 4 + -1a + k

Solving
20 + 3a = 4 + -1a + k

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
20 + 3a + a = 4 + -1a + a + k

Combine like terms: 3a + a = 4a
20 + 4a = 4 + -1a + a + k

Combine like terms: -1a + a = 0
20 + 4a = 4 + 0 + k
20 + 4a = 4 + k

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

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

Combine like terms: 4 + -20 = -16
4a = -16 + k

Divide each side by '4'.
a = -4 + 0.25k

Simplifying
a = -4 + 0.25k

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