5x+4x-5=66

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Solution for 5x+4x-5=66 equation:


Simplifying
5x + 4x + -5 = 66

Reorder the terms:
-5 + 5x + 4x = 66

Combine like terms: 5x + 4x = 9x
-5 + 9x = 66

Solving
-5 + 9x = 66

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 = 66 + 5

Combine like terms: -5 + 5 = 0
0 + 9x = 66 + 5
9x = 66 + 5

Combine like terms: 66 + 5 = 71
9x = 71

Divide each side by '9'.
x = 7.888888889

Simplifying
x = 7.888888889

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