21x+2=(13x+2)*2

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Solution for 21x+2=(13x+2)*2 equation: 


Simplifying
21x + 2 = (13x + 2) * 2

Reorder the terms:
2 + 21x = (13x + 2) * 2

Reorder the terms:
2 + 21x = (2 + 13x) * 2

Reorder the terms for easier multiplication:
2 + 21x = 2(2 + 13x)
2 + 21x = (2 * 2 + 13x * 2)
2 + 21x = (4 + 26x)

Solving
2 + 21x = 4 + 26x

Solving for variable 'x'.

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

Add '-26x' to each side of the equation.
2 + 21x + -26x = 4 + 26x + -26x

Combine like terms: 21x + -26x = -5x
2 + -5x = 4 + 26x + -26x

Combine like terms: 26x + -26x = 0
2 + -5x = 4 + 0
2 + -5x = 4

Add '-2' to each side of the equation.
2 + -2 + -5x = 4 + -2

Combine like terms: 2 + -2 = 0
0 + -5x = 4 + -2
-5x = 4 + -2

Combine like terms: 4 + -2 = 2
-5x = 2

Divide each side by '-5'.
x = -0.4

Simplifying
x = -0.4

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