21x+1=13x+1+104

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Solution for 21x+1=13x+1+104 equation:


Simplifying
21x + 1 = 13x + 1 + 104

Reorder the terms:
1 + 21x = 13x + 1 + 104

Reorder the terms:
1 + 21x = 1 + 104 + 13x

Combine like terms: 1 + 104 = 105
1 + 21x = 105 + 13x

Solving
1 + 21x = 105 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
1 + 21x + -13x = 105 + 13x + -13x

Combine like terms: 21x + -13x = 8x
1 + 8x = 105 + 13x + -13x

Combine like terms: 13x + -13x = 0
1 + 8x = 105 + 0
1 + 8x = 105

Add '-1' to each side of the equation.
1 + -1 + 8x = 105 + -1

Combine like terms: 1 + -1 = 0
0 + 8x = 105 + -1
8x = 105 + -1

Combine like terms: 105 + -1 = 104
8x = 104

Divide each side by '8'.
x = 13

Simplifying
x = 13

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