0=-4-a

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Solution for 0=-4-a equation:


Simplifying
0 = -4 + -1a

Solving
0 = -4 + -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.
0 + a = -4 + -1a + a
Remove the zero:
a = -4 + -1a + a

Combine like terms: -1a + a = 0
a = -4 + 0
a = -4

Simplifying
a = -4

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