-15x+12+3*(2x-6)=3x-(21x-1)+2

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Solution for -15x+12+3*(2x-6)=3x-(21x-1)+2 equation:


Simplifying
-15x + 12 + 3(2x + -6) = 3x + -1(21x + -1) + 2

Reorder the terms:
-15x + 12 + 3(-6 + 2x) = 3x + -1(21x + -1) + 2
-15x + 12 + (-6 * 3 + 2x * 3) = 3x + -1(21x + -1) + 2
-15x + 12 + (-18 + 6x) = 3x + -1(21x + -1) + 2

Reorder the terms:
12 + -18 + -15x + 6x = 3x + -1(21x + -1) + 2

Combine like terms: 12 + -18 = -6
-6 + -15x + 6x = 3x + -1(21x + -1) + 2

Combine like terms: -15x + 6x = -9x
-6 + -9x = 3x + -1(21x + -1) + 2

Reorder the terms:
-6 + -9x = 3x + -1(-1 + 21x) + 2
-6 + -9x = 3x + (-1 * -1 + 21x * -1) + 2
-6 + -9x = 3x + (1 + -21x) + 2

Reorder the terms:
-6 + -9x = 1 + 2 + 3x + -21x

Combine like terms: 1 + 2 = 3
-6 + -9x = 3 + 3x + -21x

Combine like terms: 3x + -21x = -18x
-6 + -9x = 3 + -18x

Solving
-6 + -9x = 3 + -18x

Solving for variable 'x'.

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

Add '18x' to each side of the equation.
-6 + -9x + 18x = 3 + -18x + 18x

Combine like terms: -9x + 18x = 9x
-6 + 9x = 3 + -18x + 18x

Combine like terms: -18x + 18x = 0
-6 + 9x = 3 + 0
-6 + 9x = 3

Add '6' to each side of the equation.
-6 + 6 + 9x = 3 + 6

Combine like terms: -6 + 6 = 0
0 + 9x = 3 + 6
9x = 3 + 6

Combine like terms: 3 + 6 = 9
9x = 9

Divide each side by '9'.
x = 1

Simplifying
x = 1

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