1-5a+21=23

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Solution for 1-5a+21=23 equation: 


Simplifying
1 + -5a + 21 = 23

Reorder the terms:
1 + 21 + -5a = 23

Combine like terms: 1 + 21 = 22
22 + -5a = 23

Solving
22 + -5a = 23

Solving for variable 'a'.

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

Add '-22' to each side of the equation.
22 + -22 + -5a = 23 + -22

Combine like terms: 22 + -22 = 0
0 + -5a = 23 + -22
-5a = 23 + -22

Combine like terms: 23 + -22 = 1
-5a = 1

Divide each side by '-5'.
a = -0.2

Simplifying
a = -0.2

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