a+13=-3a-19

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Solution for a+13=-3a-19 equation:


Simplifying
a + 13 = -3a + -19

Reorder the terms:
13 + a = -3a + -19

Reorder the terms:
13 + a = -19 + -3a

Solving
13 + a = -19 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
13 + a + 3a = -19 + -3a + 3a

Combine like terms: a + 3a = 4a
13 + 4a = -19 + -3a + 3a

Combine like terms: -3a + 3a = 0
13 + 4a = -19 + 0
13 + 4a = -19

Add '-13' to each side of the equation.
13 + -13 + 4a = -19 + -13

Combine like terms: 13 + -13 = 0
0 + 4a = -19 + -13
4a = -19 + -13

Combine like terms: -19 + -13 = -32
4a = -32

Divide each side by '4'.
a = -8

Simplifying
a = -8

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