-25-3a=-4

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Solution for -25-3a=-4 equation: 


Simplifying
-25 + -3a = -4

Solving
-25 + -3a = -4

Solving for variable 'a'.

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

Add '25' to each side of the equation.
-25 + 25 + -3a = -4 + 25

Combine like terms: -25 + 25 = 0
0 + -3a = -4 + 25
-3a = -4 + 25

Combine like terms: -4 + 25 = 21
-3a = 21

Divide each side by '-3'.
a = -7

Simplifying
a = -7

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