3(X-3x)-6(2x+1)=90

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Solution for 3(X-3x)-6(2x+1)=90 equation:


Simplifying
3(X + -3x) + -6(2x + 1) = 90
(X * 3 + -3x * 3) + -6(2x + 1) = 90
(3X + -9x) + -6(2x + 1) = 90

Reorder the terms:
3X + -9x + -6(1 + 2x) = 90
3X + -9x + (1 * -6 + 2x * -6) = 90
3X + -9x + (-6 + -12x) = 90

Reorder the terms:
-6 + 3X + -9x + -12x = 90

Combine like terms: -9x + -12x = -21x
-6 + 3X + -21x = 90

Solving
-6 + 3X + -21x = 90

Solving for variable 'X'.

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

Add '6' to each side of the equation.
-6 + 3X + 6 + -21x = 90 + 6

Reorder the terms:
-6 + 6 + 3X + -21x = 90 + 6

Combine like terms: -6 + 6 = 0
0 + 3X + -21x = 90 + 6
3X + -21x = 90 + 6

Combine like terms: 90 + 6 = 96
3X + -21x = 96

Add '21x' to each side of the equation.
3X + -21x + 21x = 96 + 21x

Combine like terms: -21x + 21x = 0
3X + 0 = 96 + 21x
3X = 96 + 21x

Divide each side by '3'.
X = 32 + 7x

Simplifying
X = 32 + 7x

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