25-7a=28u-4a

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Solution for 25-7a=28u-4a equation:


Simplifying
25 + -7a = 28u + -4a

Reorder the terms:
25 + -7a = -4a + 28u

Solving
25 + -7a = -4a + 28u

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
25 + -7a + 4a = -4a + 4a + 28u

Combine like terms: -7a + 4a = -3a
25 + -3a = -4a + 4a + 28u

Combine like terms: -4a + 4a = 0
25 + -3a = 0 + 28u
25 + -3a = 28u

Add '-25' to each side of the equation.
25 + -25 + -3a = -25 + 28u

Combine like terms: 25 + -25 = 0
0 + -3a = -25 + 28u
-3a = -25 + 28u

Divide each side by '-3'.
a = 8.333333333 + -9.333333333u

Simplifying
a = 8.333333333 + -9.333333333u

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