3x+2(x+2)=20-(2x+-5)

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Solution for 3x+2(x+2)=20-(2x+-5) equation:


Simplifying
3x + 2(x + 2) = 20 + -1(2x + -5)

Reorder the terms:
3x + 2(2 + x) = 20 + -1(2x + -5)
3x + (2 * 2 + x * 2) = 20 + -1(2x + -5)
3x + (4 + 2x) = 20 + -1(2x + -5)

Reorder the terms:
4 + 3x + 2x = 20 + -1(2x + -5)

Combine like terms: 3x + 2x = 5x
4 + 5x = 20 + -1(2x + -5)

Reorder the terms:
4 + 5x = 20 + -1(-5 + 2x)
4 + 5x = 20 + (-5 * -1 + 2x * -1)
4 + 5x = 20 + (5 + -2x)

Combine like terms: 20 + 5 = 25
4 + 5x = 25 + -2x

Solving
4 + 5x = 25 + -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 + 5x + 2x = 25 + -2x + 2x

Combine like terms: 5x + 2x = 7x
4 + 7x = 25 + -2x + 2x

Combine like terms: -2x + 2x = 0
4 + 7x = 25 + 0
4 + 7x = 25

Add '-4' to each side of the equation.
4 + -4 + 7x = 25 + -4

Combine like terms: 4 + -4 = 0
0 + 7x = 25 + -4
7x = 25 + -4

Combine like terms: 25 + -4 = 21
7x = 21

Divide each side by '7'.
x = 3

Simplifying
x = 3

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