7x+(3x+9)=(3x+3)+(x-6)

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Solution for 7x+(3x+9)=(3x+3)+(x-6) equation:


Simplifying
7x + (3x + 9) = (3x + 3) + (x + -6)

Reorder the terms:
7x + (9 + 3x) = (3x + 3) + (x + -6)

Remove parenthesis around (9 + 3x)
7x + 9 + 3x = (3x + 3) + (x + -6)

Reorder the terms:
9 + 7x + 3x = (3x + 3) + (x + -6)

Combine like terms: 7x + 3x = 10x
9 + 10x = (3x + 3) + (x + -6)

Reorder the terms:
9 + 10x = (3 + 3x) + (x + -6)

Remove parenthesis around (3 + 3x)
9 + 10x = 3 + 3x + (x + -6)

Reorder the terms:
9 + 10x = 3 + 3x + (-6 + x)

Remove parenthesis around (-6 + x)
9 + 10x = 3 + 3x + -6 + x

Reorder the terms:
9 + 10x = 3 + -6 + 3x + x

Combine like terms: 3 + -6 = -3
9 + 10x = -3 + 3x + x

Combine like terms: 3x + x = 4x
9 + 10x = -3 + 4x

Solving
9 + 10x = -3 + 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.
9 + 10x + -4x = -3 + 4x + -4x

Combine like terms: 10x + -4x = 6x
9 + 6x = -3 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + 6x = -3 + 0
9 + 6x = -3

Add '-9' to each side of the equation.
9 + -9 + 6x = -3 + -9

Combine like terms: 9 + -9 = 0
0 + 6x = -3 + -9
6x = -3 + -9

Combine like terms: -3 + -9 = -12
6x = -12

Divide each side by '6'.
x = -2

Simplifying
x = -2

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