12x+3=(7x+4)-(5-3x)

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Solution for 12x+3=(7x+4)-(5-3x) equation:


Simplifying
12x + 3 = (7x + 4) + -1(5 + -3x)

Reorder the terms:
3 + 12x = (7x + 4) + -1(5 + -3x)

Reorder the terms:
3 + 12x = (4 + 7x) + -1(5 + -3x)

Remove parenthesis around (4 + 7x)
3 + 12x = 4 + 7x + -1(5 + -3x)
3 + 12x = 4 + 7x + (5 * -1 + -3x * -1)
3 + 12x = 4 + 7x + (-5 + 3x)

Reorder the terms:
3 + 12x = 4 + -5 + 7x + 3x

Combine like terms: 4 + -5 = -1
3 + 12x = -1 + 7x + 3x

Combine like terms: 7x + 3x = 10x
3 + 12x = -1 + 10x

Solving
3 + 12x = -1 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
3 + 12x + -10x = -1 + 10x + -10x

Combine like terms: 12x + -10x = 2x
3 + 2x = -1 + 10x + -10x

Combine like terms: 10x + -10x = 0
3 + 2x = -1 + 0
3 + 2x = -1

Add '-3' to each side of the equation.
3 + -3 + 2x = -1 + -3

Combine like terms: 3 + -3 = 0
0 + 2x = -1 + -3
2x = -1 + -3

Combine like terms: -1 + -3 = -4
2x = -4

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

Simplifying
x = -2

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