(25-5a)=4-a

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Solution for (25-5a)=4-a equation:


Simplifying
(25 + -5a) = 4 + -1a

Remove parenthesis around (25 + -5a)
25 + -5a = 4 + -1a

Solving
25 + -5a = 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.
25 + -5a + a = 4 + -1a + a

Combine like terms: -5a + a = -4a
25 + -4a = 4 + -1a + a

Combine like terms: -1a + a = 0
25 + -4a = 4 + 0
25 + -4a = 4

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

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

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

Divide each side by '-4'.
a = 5.25

Simplifying
a = 5.25

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