20=2x-(10-4x)

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Solution for 20=2x-(10-4x) equation:


Simplifying
20 = 2x + -1(10 + -4x)
20 = 2x + (10 * -1 + -4x * -1)
20 = 2x + (-10 + 4x)

Reorder the terms:
20 = -10 + 2x + 4x

Combine like terms: 2x + 4x = 6x
20 = -10 + 6x

Solving
20 = -10 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
20 + -6x = -10 + 6x + -6x

Combine like terms: 6x + -6x = 0
20 + -6x = -10 + 0
20 + -6x = -10

Add '-20' to each side of the equation.
20 + -20 + -6x = -10 + -20

Combine like terms: 20 + -20 = 0
0 + -6x = -10 + -20
-6x = -10 + -20

Combine like terms: -10 + -20 = -30
-6x = -30

Divide each side by '-6'.
x = 5

Simplifying
x = 5

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