4a+16=1a+-15

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Solution for 4a+16=1a+-15 equation: 


Simplifying
4a + 16 = 1a + -15

Reorder the terms:
16 + 4a = 1a + -15

Reorder the terms:
16 + 4a = -15 + 1a

Solving
16 + 4a = -15 + 1a

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.
16 + 4a + -1a = -15 + 1a + -1a

Combine like terms: 4a + -1a = 3a
16 + 3a = -15 + 1a + -1a

Combine like terms: 1a + -1a = 0
16 + 3a = -15 + 0
16 + 3a = -15

Add '-16' to each side of the equation.
16 + -16 + 3a = -15 + -16

Combine like terms: 16 + -16 = 0
0 + 3a = -15 + -16
3a = -15 + -16

Combine like terms: -15 + -16 = -31
3a = -31

Divide each side by '3'.
a = -10.33333333

Simplifying
a = -10.33333333

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