2a-7=23

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Solution for 2a-7=23 equation: 


Simplifying
2a + -7 = 23

Reorder the terms:
-7 + 2a = 23

Solving
-7 + 2a = 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 + 2a = 23 + 7

Combine like terms: -7 + 7 = 0
0 + 2a = 23 + 7
2a = 23 + 7

Combine like terms: 23 + 7 = 30
2a = 30

Divide each side by '2'.
a = 15

Simplifying
a = 15

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