4a+23-9=21

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Solution for 4a+23-9=21 equation: 


Simplifying
4a + 23 + -9 = 21

Reorder the terms:
23 + -9 + 4a = 21

Combine like terms: 23 + -9 = 14
14 + 4a = 21

Solving
14 + 4a = 21

Solving for variable 'a'.

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

Add '-14' to each side of the equation.
14 + -14 + 4a = 21 + -14

Combine like terms: 14 + -14 = 0
0 + 4a = 21 + -14
4a = 21 + -14

Combine like terms: 21 + -14 = 7
4a = 7

Divide each side by '4'.
a = 1.75

Simplifying
a = 1.75

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