x+1=3(x-1)

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


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

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

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

Solving
1 + x = -3 + 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.
1 + x + -3x = -3 + 3x + -3x

Combine like terms: x + -3x = -2x
1 + -2x = -3 + 3x + -3x

Combine like terms: 3x + -3x = 0
1 + -2x = -3 + 0
1 + -2x = -3

Add '-1' to each side of the equation.
1 + -1 + -2x = -3 + -1

Combine like terms: 1 + -1 = 0
0 + -2x = -3 + -1
-2x = -3 + -1

Combine like terms: -3 + -1 = -4
-2x = -4

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

Simplifying
x = 2

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