25a-4=77

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Solution for 25a-4=77 equation: 


Simplifying
25a + -4 = 77

Reorder the terms:
-4 + 25a = 77

Solving
-4 + 25a = 77

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + 25a = 77 + 4

Combine like terms: -4 + 4 = 0
0 + 25a = 77 + 4
25a = 77 + 4

Combine like terms: 77 + 4 = 81
25a = 81

Divide each side by '25'.
a = 3.24

Simplifying
a = 3.24

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