7x-4(x+4)+20=25+6-2x

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Solution for 7x-4(x+4)+20=25+6-2x equation:


Simplifying
7x + -4(x + 4) + 20 = 25 + 6 + -2x

Reorder the terms:
7x + -4(4 + x) + 20 = 25 + 6 + -2x
7x + (4 * -4 + x * -4) + 20 = 25 + 6 + -2x
7x + (-16 + -4x) + 20 = 25 + 6 + -2x

Reorder the terms:
-16 + 20 + 7x + -4x = 25 + 6 + -2x

Combine like terms: -16 + 20 = 4
4 + 7x + -4x = 25 + 6 + -2x

Combine like terms: 7x + -4x = 3x
4 + 3x = 25 + 6 + -2x

Combine like terms: 25 + 6 = 31
4 + 3x = 31 + -2x

Solving
4 + 3x = 31 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
4 + 3x + 2x = 31 + -2x + 2x

Combine like terms: 3x + 2x = 5x
4 + 5x = 31 + -2x + 2x

Combine like terms: -2x + 2x = 0
4 + 5x = 31 + 0
4 + 5x = 31

Add '-4' to each side of the equation.
4 + -4 + 5x = 31 + -4

Combine like terms: 4 + -4 = 0
0 + 5x = 31 + -4
5x = 31 + -4

Combine like terms: 31 + -4 = 27
5x = 27

Divide each side by '5'.
x = 5.4

Simplifying
x = 5.4

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