23=13-2a

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Solution for 23=13-2a equation:


Simplifying
23 = 13 + -2a

Solving
23 = 13 + -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.
23 + 2a = 13 + -2a + 2a

Combine like terms: -2a + 2a = 0
23 + 2a = 13 + 0
23 + 2a = 13

Add '-23' to each side of the equation.
23 + -23 + 2a = 13 + -23

Combine like terms: 23 + -23 = 0
0 + 2a = 13 + -23
2a = 13 + -23

Combine like terms: 13 + -23 = -10
2a = -10

Divide each side by '2'.
a = -5

Simplifying
a = -5

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