-28=-40-3x

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Solution for -28=-40-3x equation:


Simplifying
-28 = -40 + -3x

Solving
-28 = -40 + -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.
-28 + 3x = -40 + -3x + 3x

Combine like terms: -3x + 3x = 0
-28 + 3x = -40 + 0
-28 + 3x = -40

Add '28' to each side of the equation.
-28 + 28 + 3x = -40 + 28

Combine like terms: -28 + 28 = 0
0 + 3x = -40 + 28
3x = -40 + 28

Combine like terms: -40 + 28 = -12
3x = -12

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

Simplifying
x = -4

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