(X-21)-2(x+4)=3(2x-3)

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


Simplifying
(X + -21) + -2(x + 4) = 3(2x + -3)

Reorder the terms:
(-21 + X) + -2(x + 4) = 3(2x + -3)

Remove parenthesis around (-21 + X)
-21 + X + -2(x + 4) = 3(2x + -3)

Reorder the terms:
-21 + X + -2(4 + x) = 3(2x + -3)
-21 + X + (4 * -2 + x * -2) = 3(2x + -3)
-21 + X + (-8 + -2x) = 3(2x + -3)

Reorder the terms:
-21 + -8 + X + -2x = 3(2x + -3)

Combine like terms: -21 + -8 = -29
-29 + X + -2x = 3(2x + -3)

Reorder the terms:
-29 + X + -2x = 3(-3 + 2x)
-29 + X + -2x = (-3 * 3 + 2x * 3)
-29 + X + -2x = (-9 + 6x)

Solving
-29 + X + -2x = -9 + 6x

Solving for variable 'X'.

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

Add '29' to each side of the equation.
-29 + X + 29 + -2x = -9 + 29 + 6x

Reorder the terms:
-29 + 29 + X + -2x = -9 + 29 + 6x

Combine like terms: -29 + 29 = 0
0 + X + -2x = -9 + 29 + 6x
X + -2x = -9 + 29 + 6x

Combine like terms: -9 + 29 = 20
X + -2x = 20 + 6x

Add '2x' to each side of the equation.
X + -2x + 2x = 20 + 6x + 2x

Combine like terms: -2x + 2x = 0
X + 0 = 20 + 6x + 2x
X = 20 + 6x + 2x

Combine like terms: 6x + 2x = 8x
X = 20 + 8x

Simplifying
X = 20 + 8x

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