a+27=15-4a

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Solution for a+27=15-4a equation:


Simplifying
a + 27 = 15 + -4a

Reorder the terms:
27 + a = 15 + -4a

Solving
27 + a = 15 + -4a

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.
27 + a + 4a = 15 + -4a + 4a

Combine like terms: a + 4a = 5a
27 + 5a = 15 + -4a + 4a

Combine like terms: -4a + 4a = 0
27 + 5a = 15 + 0
27 + 5a = 15

Add '-27' to each side of the equation.
27 + -27 + 5a = 15 + -27

Combine like terms: 27 + -27 = 0
0 + 5a = 15 + -27
5a = 15 + -27

Combine like terms: 15 + -27 = -12
5a = -12

Divide each side by '5'.
a = -2.4

Simplifying
a = -2.4

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