40-3X=12X-5

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Solution for 40-3X=12X-5 equation: 


Simplifying
40 + -3X = 12X + -5

Reorder the terms:
40 + -3X = -5 + 12X

Solving
40 + -3X = -5 + 12X

Solving for variable 'X'.

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

Add '-12X' to each side of the equation.
40 + -3X + -12X = -5 + 12X + -12X

Combine like terms: -3X + -12X = -15X
40 + -15X = -5 + 12X + -12X

Combine like terms: 12X + -12X = 0
40 + -15X = -5 + 0
40 + -15X = -5

Add '-40' to each side of the equation.
40 + -40 + -15X = -5 + -40

Combine like terms: 40 + -40 = 0
0 + -15X = -5 + -40
-15X = -5 + -40

Combine like terms: -5 + -40 = -45
-15X = -45

Divide each side by '-15'.
X = 3

Simplifying
X = 3

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