3(2x+7)-2x=4-(x+5)

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Solution for 3(2x+7)-2x=4-(x+5) equation:


Simplifying
3(2x + 7) + -2x = 4 + -1(x + 5)

Reorder the terms:
3(7 + 2x) + -2x = 4 + -1(x + 5)
(7 * 3 + 2x * 3) + -2x = 4 + -1(x + 5)
(21 + 6x) + -2x = 4 + -1(x + 5)

Combine like terms: 6x + -2x = 4x
21 + 4x = 4 + -1(x + 5)

Reorder the terms:
21 + 4x = 4 + -1(5 + x)
21 + 4x = 4 + (5 * -1 + x * -1)
21 + 4x = 4 + (-5 + -1x)

Combine like terms: 4 + -5 = -1
21 + 4x = -1 + -1x

Solving
21 + 4x = -1 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
21 + 4x + x = -1 + -1x + x

Combine like terms: 4x + x = 5x
21 + 5x = -1 + -1x + x

Combine like terms: -1x + x = 0
21 + 5x = -1 + 0
21 + 5x = -1

Add '-21' to each side of the equation.
21 + -21 + 5x = -1 + -21

Combine like terms: 21 + -21 = 0
0 + 5x = -1 + -21
5x = -1 + -21

Combine like terms: -1 + -21 = -22
5x = -22

Divide each side by '5'.
x = -4.4

Simplifying
x = -4.4

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