7x-11-2x=5y+9-9y

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Solution for 7x-11-2x=5y+9-9y equation:


Simplifying
7x + -11 + -2x = 5y + 9 + -9y

Reorder the terms:
-11 + 7x + -2x = 5y + 9 + -9y

Combine like terms: 7x + -2x = 5x
-11 + 5x = 5y + 9 + -9y

Reorder the terms:
-11 + 5x = 9 + 5y + -9y

Combine like terms: 5y + -9y = -4y
-11 + 5x = 9 + -4y

Solving
-11 + 5x = 9 + -4y

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 5x = 9 + 11 + -4y

Combine like terms: -11 + 11 = 0
0 + 5x = 9 + 11 + -4y
5x = 9 + 11 + -4y

Combine like terms: 9 + 11 = 20
5x = 20 + -4y

Divide each side by '5'.
x = 4 + -0.8y

Simplifying
x = 4 + -0.8y

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