13=4a+13

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Solution for 13=4a+13 equation:


Simplifying
13 = 4a + 13

Reorder the terms:
13 = 13 + 4a

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

Combine like terms: 13 + -13 = 0
0 = 13 + -13 + 4a

Combine like terms: 13 + -13 = 0
0 = 0 + 4a
0 = 4a

Solving
0 = 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
0 + -4a = 4a + -4a
Remove the zero:
-4a = 4a + -4a

Combine like terms: 4a + -4a = 0
-4a = 0

Divide each side by '-4'.
a = 0

Simplifying
a = 0

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