5x+20=x+9

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Solution for 5x+20=x+9 equation:


Simplifying
5x + 20 = x + 9

Reorder the terms:
20 + 5x = x + 9

Reorder the terms:
20 + 5x = 9 + x

Solving
20 + 5x = 9 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
20 + 5x + -1x = 9 + x + -1x

Combine like terms: 5x + -1x = 4x
20 + 4x = 9 + x + -1x

Combine like terms: x + -1x = 0
20 + 4x = 9 + 0
20 + 4x = 9

Add '-20' to each side of the equation.
20 + -20 + 4x = 9 + -20

Combine like terms: 20 + -20 = 0
0 + 4x = 9 + -20
4x = 9 + -20

Combine like terms: 9 + -20 = -11
4x = -11

Divide each side by '4'.
x = -2.75

Simplifying
x = -2.75

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