13x-81=4x+63

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Solution for 13x-81=4x+63 equation:


Simplifying
13x + -81 = 4x + 63

Reorder the terms:
-81 + 13x = 4x + 63

Reorder the terms:
-81 + 13x = 63 + 4x

Solving
-81 + 13x = 63 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
-81 + 13x + -4x = 63 + 4x + -4x

Combine like terms: 13x + -4x = 9x
-81 + 9x = 63 + 4x + -4x

Combine like terms: 4x + -4x = 0
-81 + 9x = 63 + 0
-81 + 9x = 63

Add '81' to each side of the equation.
-81 + 81 + 9x = 63 + 81

Combine like terms: -81 + 81 = 0
0 + 9x = 63 + 81
9x = 63 + 81

Combine like terms: 63 + 81 = 144
9x = 144

Divide each side by '9'.
x = 16

Simplifying
x = 16

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