4x+9y=5(x+y)

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


Simplifying
4x + 9y = 5(x + y)
4x + 9y = (x * 5 + y * 5)
4x + 9y = (5x + 5y)

Solving
4x + 9y = 5x + 5y

Solving for variable 'x'.

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

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

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

Combine like terms: 5x + -5x = 0
-1x + 9y = 0 + 5y
-1x + 9y = 5y

Add '-9y' to each side of the equation.
-1x + 9y + -9y = 5y + -9y

Combine like terms: 9y + -9y = 0
-1x + 0 = 5y + -9y
-1x = 5y + -9y

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

Divide each side by '-1'.
x = 4y

Simplifying
x = 4y

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