3x-5(4y)=9

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Solution for 3x-5(4y)=9 equation: 


Simplifying
3x + -5(4y) = 9

Remove parenthesis around (4y)
3x + -5 * 4y = 9

Multiply -5 * 4
3x + -20y = 9

Solving
3x + -20y = 9

Solving for variable 'x'.

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

Add '20y' to each side of the equation.
3x + -20y + 20y = 9 + 20y

Combine like terms: -20y + 20y = 0
3x + 0 = 9 + 20y
3x = 9 + 20y

Divide each side by '3'.
x = 3 + 6.666666667y

Simplifying
x = 3 + 6.666666667y

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