6-7(2x-1)=3x-21

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Solution for 6-7(2x-1)=3x-21 equation:


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

Reorder the terms:
6 + -7(-1 + 2x) = 3x + -21
6 + (-1 * -7 + 2x * -7) = 3x + -21
6 + (7 + -14x) = 3x + -21

Combine like terms: 6 + 7 = 13
13 + -14x = 3x + -21

Reorder the terms:
13 + -14x = -21 + 3x

Solving
13 + -14x = -21 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
13 + -14x + -3x = -21 + 3x + -3x

Combine like terms: -14x + -3x = -17x
13 + -17x = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
13 + -17x = -21 + 0
13 + -17x = -21

Add '-13' to each side of the equation.
13 + -13 + -17x = -21 + -13

Combine like terms: 13 + -13 = 0
0 + -17x = -21 + -13
-17x = -21 + -13

Combine like terms: -21 + -13 = -34
-17x = -34

Divide each side by '-17'.
x = 2

Simplifying
x = 2

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