5x+(4x-5)=12

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Solution for 5x+(4x-5)=12 equation:


Simplifying
5x + (4x + -5) = 12

Reorder the terms:
5x + (-5 + 4x) = 12

Remove parenthesis around (-5 + 4x)
5x + -5 + 4x = 12

Reorder the terms:
-5 + 5x + 4x = 12

Combine like terms: 5x + 4x = 9x
-5 + 9x = 12

Solving
-5 + 9x = 12

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 9x = 12 + 5

Combine like terms: -5 + 5 = 0
0 + 9x = 12 + 5
9x = 12 + 5

Combine like terms: 12 + 5 = 17
9x = 17

Divide each side by '9'.
x = 1.888888889

Simplifying
x = 1.888888889

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