5x-40=3x-9

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Solution for 5x-40=3x-9 equation:


Simplifying
5x + -40 = 3x + -9

Reorder the terms:
-40 + 5x = 3x + -9

Reorder the terms:
-40 + 5x = -9 + 3x

Solving
-40 + 5x = -9 + 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 + 5x + -3x = -9 + 3x + -3x

Combine like terms: 5x + -3x = 2x
-40 + 2x = -9 + 3x + -3x

Combine like terms: 3x + -3x = 0
-40 + 2x = -9 + 0
-40 + 2x = -9

Add '40' to each side of the equation.
-40 + 40 + 2x = -9 + 40

Combine like terms: -40 + 40 = 0
0 + 2x = -9 + 40
2x = -9 + 40

Combine like terms: -9 + 40 = 31
2x = 31

Divide each side by '2'.
x = 15.5

Simplifying
x = 15.5

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