a-7=23

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Solution for a-7=23 equation: 


Simplifying
a + -7 = 23

Reorder the terms:
-7 + a = 23

Solving
-7 + a = 23

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + a = 23 + 7

Combine like terms: -7 + 7 = 0
0 + a = 23 + 7
a = 23 + 7

Combine like terms: 23 + 7 = 30
a = 30

Simplifying
a = 30

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