3[x-9]=7x-1

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Solution for 3[x-9]=7x-1 equation:


Simplifying
3[x + -9] = 7x + -1

Reorder the terms:
3[-9 + x] = 7x + -1
[-9 * 3 + x * 3] = 7x + -1
[-27 + 3x] = 7x + -1

Reorder the terms:
-27 + 3x = -1 + 7x

Solving
-27 + 3x = -1 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-27 + 3x + -7x = -1 + 7x + -7x

Combine like terms: 3x + -7x = -4x
-27 + -4x = -1 + 7x + -7x

Combine like terms: 7x + -7x = 0
-27 + -4x = -1 + 0
-27 + -4x = -1

Add '27' to each side of the equation.
-27 + 27 + -4x = -1 + 27

Combine like terms: -27 + 27 = 0
0 + -4x = -1 + 27
-4x = -1 + 27

Combine like terms: -1 + 27 = 26
-4x = 26

Divide each side by '-4'.
x = -6.5

Simplifying
x = -6.5

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