a+1+3a=-a-9

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Solution for a+1+3a=-a-9 equation:


Simplifying
a + 1 + 3a = -1a + -9

Reorder the terms:
1 + a + 3a = -1a + -9

Combine like terms: a + 3a = 4a
1 + 4a = -1a + -9

Reorder the terms:
1 + 4a = -9 + -1a

Solving
1 + 4a = -9 + -1a

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.
1 + 4a + a = -9 + -1a + a

Combine like terms: 4a + a = 5a
1 + 5a = -9 + -1a + a

Combine like terms: -1a + a = 0
1 + 5a = -9 + 0
1 + 5a = -9

Add '-1' to each side of the equation.
1 + -1 + 5a = -9 + -1

Combine like terms: 1 + -1 = 0
0 + 5a = -9 + -1
5a = -9 + -1

Combine like terms: -9 + -1 = -10
5a = -10

Divide each side by '5'.
a = -2

Simplifying
a = -2

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