1+2=3(x-1)

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


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

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

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

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

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

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

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

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

Divide each side by '-3'.
x = 2

Simplifying
x = 2

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