5x-4y+9=0

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Solution for 5x-4y+9=0 equation: 


Simplifying
5x + -4y + 9 = 0

Reorder the terms:
9 + 5x + -4y = 0

Solving
9 + 5x + -4y = 0

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 + 5x + -9 + -4y = 0 + -9

Reorder the terms:
9 + -9 + 5x + -4y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 5x + -4y = 0 + -9
5x + -4y = 0 + -9

Combine like terms: 0 + -9 = -9
5x + -4y = -9

Add '4y' to each side of the equation.
5x + -4y + 4y = -9 + 4y

Combine like terms: -4y + 4y = 0
5x + 0 = -9 + 4y
5x = -9 + 4y

Divide each side by '5'.
x = -1.8 + 0.8y

Simplifying
x = -1.8 + 0.8y

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