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

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


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

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

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

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

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

Multiply -5 * -3
3 + 12x = 4 + 7x + 15x

Combine like terms: 7x + 15x = 22x
3 + 12x = 4 + 22x

Solving
3 + 12x = 4 + 22x

Solving for variable 'x'.

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

Add '-22x' to each side of the equation.
3 + 12x + -22x = 4 + 22x + -22x

Combine like terms: 12x + -22x = -10x
3 + -10x = 4 + 22x + -22x

Combine like terms: 22x + -22x = 0
3 + -10x = 4 + 0
3 + -10x = 4

Add '-3' to each side of the equation.
3 + -3 + -10x = 4 + -3

Combine like terms: 3 + -3 = 0
0 + -10x = 4 + -3
-10x = 4 + -3

Combine like terms: 4 + -3 = 1
-10x = 1

Divide each side by '-10'.
x = -0.1

Simplifying
x = -0.1

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