x-1=2(3x+7)

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


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

Reorder the terms:
-1 + x = 2(3x + 7)

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

Solving
-1 + x = 14 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
-1 + x + -6x = 14 + 6x + -6x

Combine like terms: x + -6x = -5x
-1 + -5x = 14 + 6x + -6x

Combine like terms: 6x + -6x = 0
-1 + -5x = 14 + 0
-1 + -5x = 14

Add '1' to each side of the equation.
-1 + 1 + -5x = 14 + 1

Combine like terms: -1 + 1 = 0
0 + -5x = 14 + 1
-5x = 14 + 1

Combine like terms: 14 + 1 = 15
-5x = 15

Divide each side by '-5'.
x = -3

Simplifying
x = -3

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