5x+9-4x=20

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Solution for 5x+9-4x=20 equation: 


Simplifying
5x + 9 + -4x = 20

Reorder the terms:
9 + 5x + -4x = 20

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

Solving
9 + 1x = 20

Solving for variable 'x'.

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

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

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

Combine like terms: 20 + -9 = 11
1x = 11

Divide each side by '1'.
x = 11

Simplifying
x = 11

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