42=33-3(x-1)

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Solution for 42=33-3(x-1) equation:


Simplifying
42 = 33 + -3(x + -1)

Reorder the terms:
42 = 33 + -3(-1 + x)
42 = 33 + (-1 * -3 + x * -3)
42 = 33 + (3 + -3x)

Combine like terms: 33 + 3 = 36
42 = 36 + -3x

Solving
42 = 36 + -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.
42 + 3x = 36 + -3x + 3x

Combine like terms: -3x + 3x = 0
42 + 3x = 36 + 0
42 + 3x = 36

Add '-42' to each side of the equation.
42 + -42 + 3x = 36 + -42

Combine like terms: 42 + -42 = 0
0 + 3x = 36 + -42
3x = 36 + -42

Combine like terms: 36 + -42 = -6
3x = -6

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

Simplifying
x = -2

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