13-4a=1-a

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Solution for 13-4a=1-a equation:


Simplifying
13 + -4a = 1 + -1a

Solving
13 + -4a = 1 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
13 + -4a + a = 1 + -1a + a

Combine like terms: -4a + a = -3a
13 + -3a = 1 + -1a + a

Combine like terms: -1a + a = 0
13 + -3a = 1 + 0
13 + -3a = 1

Add '-13' to each side of the equation.
13 + -13 + -3a = 1 + -13

Combine like terms: 13 + -13 = 0
0 + -3a = 1 + -13
-3a = 1 + -13

Combine like terms: 1 + -13 = -12
-3a = -12

Divide each side by '-3'.
a = 4

Simplifying
a = 4

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