7x-2(x-4)=9x-(5x+13)

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Solution for 7x-2(x-4)=9x-(5x+13) equation:


Simplifying
7x + -2(x + -4) = 9x + -1(5x + 13)

Reorder the terms:
7x + -2(-4 + x) = 9x + -1(5x + 13)
7x + (-4 * -2 + x * -2) = 9x + -1(5x + 13)
7x + (8 + -2x) = 9x + -1(5x + 13)

Reorder the terms:
8 + 7x + -2x = 9x + -1(5x + 13)

Combine like terms: 7x + -2x = 5x
8 + 5x = 9x + -1(5x + 13)

Reorder the terms:
8 + 5x = 9x + -1(13 + 5x)
8 + 5x = 9x + (13 * -1 + 5x * -1)
8 + 5x = 9x + (-13 + -5x)

Reorder the terms:
8 + 5x = -13 + 9x + -5x

Combine like terms: 9x + -5x = 4x
8 + 5x = -13 + 4x

Solving
8 + 5x = -13 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
8 + 5x + -4x = -13 + 4x + -4x

Combine like terms: 5x + -4x = 1x
8 + 1x = -13 + 4x + -4x

Combine like terms: 4x + -4x = 0
8 + 1x = -13 + 0
8 + 1x = -13

Add '-8' to each side of the equation.
8 + -8 + 1x = -13 + -8

Combine like terms: 8 + -8 = 0
0 + 1x = -13 + -8
1x = -13 + -8

Combine like terms: -13 + -8 = -21
1x = -21

Divide each side by '1'.
x = -21

Simplifying
x = -21

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