20+6x=-21(13x-8x)

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Solution for 20+6x=-21(13x-8x) equation:


Simplifying
20 + 6x = -21(13x + -8x)

Combine like terms: 13x + -8x = 5x
20 + 6x = -21(5x)

Remove parenthesis around (5x)
20 + 6x = -21 * 5x

Multiply -21 * 5
20 + 6x = -105x

Solving
20 + 6x = -105x

Solving for variable 'x'.

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

Add '105x' to each side of the equation.
20 + 6x + 105x = -105x + 105x

Combine like terms: 6x + 105x = 111x
20 + 111x = -105x + 105x

Combine like terms: -105x + 105x = 0
20 + 111x = 0

Add '-20' to each side of the equation.
20 + -20 + 111x = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 111x = 0 + -20
111x = 0 + -20

Combine like terms: 0 + -20 = -20
111x = -20

Divide each side by '111'.
x = -0.1801801802

Simplifying
x = -0.1801801802

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