-1=-28-3x

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Solution for -1=-28-3x equation:


Simplifying
-1 = -28 + -3x

Solving
-1 = -28 + -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 + 3x = -28 + -3x + 3x

Combine like terms: -3x + 3x = 0
-1 + 3x = -28 + 0
-1 + 3x = -28

Add '1' to each side of the equation.
-1 + 1 + 3x = -28 + 1

Combine like terms: -1 + 1 = 0
0 + 3x = -28 + 1
3x = -28 + 1

Combine like terms: -28 + 1 = -27
3x = -27

Divide each side by '3'.
x = -9

Simplifying
x = -9

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