-9a+4=2a+25

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Solution for -9a+4=2a+25 equation:


Simplifying
-9a + 4 = 2a + 25

Reorder the terms:
4 + -9a = 2a + 25

Reorder the terms:
4 + -9a = 25 + 2a

Solving
4 + -9a = 25 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
4 + -9a + -2a = 25 + 2a + -2a

Combine like terms: -9a + -2a = -11a
4 + -11a = 25 + 2a + -2a

Combine like terms: 2a + -2a = 0
4 + -11a = 25 + 0
4 + -11a = 25

Add '-4' to each side of the equation.
4 + -4 + -11a = 25 + -4

Combine like terms: 4 + -4 = 0
0 + -11a = 25 + -4
-11a = 25 + -4

Combine like terms: 25 + -4 = 21
-11a = 21

Divide each side by '-11'.
a = -1.909090909

Simplifying
a = -1.909090909

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