25=x(2)-6x+9+y(2)-4y+4

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Solution for 25=x(2)-6x+9+y(2)-4y+4 equation: 


Simplifying
25 = x(2) + -6x + 9 + y(2) + -4y + 4

Reorder the terms for easier multiplication:
25 = 2x + -6x + 9 + y(2) + -4y + 4

Reorder the terms for easier multiplication:
25 = 2x + -6x + 9 + 2y + -4y + 4

Reorder the terms:
25 = 9 + 4 + 2x + -6x + 2y + -4y

Combine like terms: 9 + 4 = 13
25 = 13 + 2x + -6x + 2y + -4y

Combine like terms: 2x + -6x = -4x
25 = 13 + -4x + 2y + -4y

Combine like terms: 2y + -4y = -2y
25 = 13 + -4x + -2y

Solving
25 = 13 + -4x + -2y

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
25 + 4x = 13 + -4x + 4x + -2y

Combine like terms: -4x + 4x = 0
25 + 4x = 13 + 0 + -2y
25 + 4x = 13 + -2y

Add '-25' to each side of the equation.
25 + -25 + 4x = 13 + -25 + -2y

Combine like terms: 25 + -25 = 0
0 + 4x = 13 + -25 + -2y
4x = 13 + -25 + -2y

Combine like terms: 13 + -25 = -12
4x = -12 + -2y

Divide each side by '4'.
x = -3 + -0.5y

Simplifying
x = -3 + -0.5y

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