-[7x+(9x-4)]=5-(2x+7)

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


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

Reorder the terms:
-1[7x + (-4 + 9x)] = 5 + -1(2x + 7)

Remove parenthesis around (-4 + 9x)
-1[7x + -4 + 9x] = 5 + -1(2x + 7)

Reorder the terms:
-1[-4 + 7x + 9x] = 5 + -1(2x + 7)

Combine like terms: 7x + 9x = 16x
-1[-4 + 16x] = 5 + -1(2x + 7)
[-4 * -1 + 16x * -1] = 5 + -1(2x + 7)
[4 + -16x] = 5 + -1(2x + 7)

Reorder the terms:
4 + -16x = 5 + -1(7 + 2x)
4 + -16x = 5 + (7 * -1 + 2x * -1)
4 + -16x = 5 + (-7 + -2x)

Combine like terms: 5 + -7 = -2
4 + -16x = -2 + -2x

Solving
4 + -16x = -2 + -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 + -16x + 2x = -2 + -2x + 2x

Combine like terms: -16x + 2x = -14x
4 + -14x = -2 + -2x + 2x

Combine like terms: -2x + 2x = 0
4 + -14x = -2 + 0
4 + -14x = -2

Add '-4' to each side of the equation.
4 + -4 + -14x = -2 + -4

Combine like terms: 4 + -4 = 0
0 + -14x = -2 + -4
-14x = -2 + -4

Combine like terms: -2 + -4 = -6
-14x = -6

Divide each side by '-14'.
x = 0.4285714286

Simplifying
x = 0.4285714286

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