a+13=2a-13

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Solution for a+13=2a-13 equation:


Simplifying
a + 13 = 2a + -13

Reorder the terms:
13 + a = 2a + -13

Reorder the terms:
13 + a = -13 + 2a

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

Combine like terms: a + -2a = -1a
13 + -1a = -13 + 2a + -2a

Combine like terms: 2a + -2a = 0
13 + -1a = -13 + 0
13 + -1a = -13

Add '-13' to each side of the equation.
13 + -13 + -1a = -13 + -13

Combine like terms: 13 + -13 = 0
0 + -1a = -13 + -13
-1a = -13 + -13

Combine like terms: -13 + -13 = -26
-1a = -26

Divide each side by '-1'.
a = 26

Simplifying
a = 26

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