5+3a=a-15

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Solution for 5+3a=a-15 equation:


Simplifying
5 + 3a = a + -15

Reorder the terms:
5 + 3a = -15 + a

Solving
5 + 3a = -15 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
5 + 3a + -1a = -15 + a + -1a

Combine like terms: 3a + -1a = 2a
5 + 2a = -15 + a + -1a

Combine like terms: a + -1a = 0
5 + 2a = -15 + 0
5 + 2a = -15

Add '-5' to each side of the equation.
5 + -5 + 2a = -15 + -5

Combine like terms: 5 + -5 = 0
0 + 2a = -15 + -5
2a = -15 + -5

Combine like terms: -15 + -5 = -20
2a = -20

Divide each side by '2'.
a = -10

Simplifying
a = -10

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