39x-40=3x-12

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Solution for 39x-40=3x-12 equation:


Simplifying
39x + -40 = 3x + -12

Reorder the terms:
-40 + 39x = 3x + -12

Reorder the terms:
-40 + 39x = -12 + 3x

Solving
-40 + 39x = -12 + 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.
-40 + 39x + -3x = -12 + 3x + -3x

Combine like terms: 39x + -3x = 36x
-40 + 36x = -12 + 3x + -3x

Combine like terms: 3x + -3x = 0
-40 + 36x = -12 + 0
-40 + 36x = -12

Add '40' to each side of the equation.
-40 + 40 + 36x = -12 + 40

Combine like terms: -40 + 40 = 0
0 + 36x = -12 + 40
36x = -12 + 40

Combine like terms: -12 + 40 = 28
36x = 28

Divide each side by '36'.
x = 0.7777777778

Simplifying
x = 0.7777777778

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