-3x+40=-23

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Solution for -3x+40=-23 equation: 


Simplifying
-3x + 40 = -23

Reorder the terms:
40 + -3x = -23

Solving
40 + -3x = -23

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-40' to each side of the equation.
40 + -40 + -3x = -23 + -40

Combine like terms: 40 + -40 = 0
0 + -3x = -23 + -40
-3x = -23 + -40

Combine like terms: -23 + -40 = -63
-3x = -63

Divide each side by '-3'.
x = 21

Simplifying
x = 21

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