6x-3(4x+7)=6x-(2x+21)

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Solution for 6x-3(4x+7)=6x-(2x+21) equation:


Simplifying
6x + -3(4x + 7) = 6x + -1(2x + 21)

Reorder the terms:
6x + -3(7 + 4x) = 6x + -1(2x + 21)
6x + (7 * -3 + 4x * -3) = 6x + -1(2x + 21)
6x + (-21 + -12x) = 6x + -1(2x + 21)

Reorder the terms:
-21 + 6x + -12x = 6x + -1(2x + 21)

Combine like terms: 6x + -12x = -6x
-21 + -6x = 6x + -1(2x + 21)

Reorder the terms:
-21 + -6x = 6x + -1(21 + 2x)
-21 + -6x = 6x + (21 * -1 + 2x * -1)
-21 + -6x = 6x + (-21 + -2x)

Reorder the terms:
-21 + -6x = -21 + 6x + -2x

Combine like terms: 6x + -2x = 4x
-21 + -6x = -21 + 4x

Add '21' to each side of the equation.
-21 + 21 + -6x = -21 + 21 + 4x

Combine like terms: -21 + 21 = 0
0 + -6x = -21 + 21 + 4x
-6x = -21 + 21 + 4x

Combine like terms: -21 + 21 = 0
-6x = 0 + 4x
-6x = 4x

Solving
-6x = 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.
-6x + -4x = 4x + -4x

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

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

Divide each side by '-10'.
x = 0.0

Simplifying
x = 0.0

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