55=31-3(x-4)

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Solution for 55=31-3(x-4) equation:


Simplifying
55 = 31 + -3(x + -4)

Reorder the terms:
55 = 31 + -3(-4 + x)
55 = 31 + (-4 * -3 + x * -3)
55 = 31 + (12 + -3x)

Combine like terms: 31 + 12 = 43
55 = 43 + -3x

Solving
55 = 43 + -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.
55 + 3x = 43 + -3x + 3x

Combine like terms: -3x + 3x = 0
55 + 3x = 43 + 0
55 + 3x = 43

Add '-55' to each side of the equation.
55 + -55 + 3x = 43 + -55

Combine like terms: 55 + -55 = 0
0 + 3x = 43 + -55
3x = 43 + -55

Combine like terms: 43 + -55 = -12
3x = -12

Divide each side by '3'.
x = -4

Simplifying
x = -4

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