4(x-1)+55=x-9(x+1)

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Solution for 4(x-1)+55=x-9(x+1) equation:


Simplifying
4(x + -1) + 55 = x + -9(x + 1)

Reorder the terms:
4(-1 + x) + 55 = x + -9(x + 1)
(-1 * 4 + x * 4) + 55 = x + -9(x + 1)
(-4 + 4x) + 55 = x + -9(x + 1)

Reorder the terms:
-4 + 55 + 4x = x + -9(x + 1)

Combine like terms: -4 + 55 = 51
51 + 4x = x + -9(x + 1)

Reorder the terms:
51 + 4x = x + -9(1 + x)
51 + 4x = x + (1 * -9 + x * -9)
51 + 4x = x + (-9 + -9x)

Reorder the terms:
51 + 4x = -9 + x + -9x

Combine like terms: x + -9x = -8x
51 + 4x = -9 + -8x

Solving
51 + 4x = -9 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
51 + 4x + 8x = -9 + -8x + 8x

Combine like terms: 4x + 8x = 12x
51 + 12x = -9 + -8x + 8x

Combine like terms: -8x + 8x = 0
51 + 12x = -9 + 0
51 + 12x = -9

Add '-51' to each side of the equation.
51 + -51 + 12x = -9 + -51

Combine like terms: 51 + -51 = 0
0 + 12x = -9 + -51
12x = -9 + -51

Combine like terms: -9 + -51 = -60
12x = -60

Divide each side by '12'.
x = -5

Simplifying
x = -5

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