-28=-7(3x+4)+12x

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Solution for -28=-7(3x+4)+12x equation:


Simplifying
-28 = -7(3x + 4) + 12x

Reorder the terms:
-28 = -7(4 + 3x) + 12x
-28 = (4 * -7 + 3x * -7) + 12x
-28 = (-28 + -21x) + 12x

Combine like terms: -21x + 12x = -9x
-28 = -28 + -9x

Add '28' to each side of the equation.
-28 + 28 = -28 + 28 + -9x

Combine like terms: -28 + 28 = 0
0 = -28 + 28 + -9x

Combine like terms: -28 + 28 = 0
0 = 0 + -9x
0 = -9x

Solving
0 = -9x

Solving for variable 'x'.

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

Add '9x' to each side of the equation.
0 + 9x = -9x + 9x
Remove the zero:
9x = -9x + 9x

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

Divide each side by '9'.
x = 0

Simplifying
x = 0

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