(x+9)2+(y+1)2=169

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Solution for (x+9)2+(y+1)2=169 equation:


Simplifying
(x + 9) * 2 + (y + 1) * 2 = 169

Reorder the terms:
(9 + x) * 2 + (y + 1) * 2 = 169

Reorder the terms for easier multiplication:
2(9 + x) + (y + 1) * 2 = 169
(9 * 2 + x * 2) + (y + 1) * 2 = 169
(18 + 2x) + (y + 1) * 2 = 169

Reorder the terms:
18 + 2x + (1 + y) * 2 = 169

Reorder the terms for easier multiplication:
18 + 2x + 2(1 + y) = 169
18 + 2x + (1 * 2 + y * 2) = 169
18 + 2x + (2 + 2y) = 169

Reorder the terms:
18 + 2 + 2x + 2y = 169

Combine like terms: 18 + 2 = 20
20 + 2x + 2y = 169

Solving
20 + 2x + 2y = 169

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + 2x + -20 + 2y = 169 + -20

Reorder the terms:
20 + -20 + 2x + 2y = 169 + -20

Combine like terms: 20 + -20 = 0
0 + 2x + 2y = 169 + -20
2x + 2y = 169 + -20

Combine like terms: 169 + -20 = 149
2x + 2y = 149

Add '-2y' to each side of the equation.
2x + 2y + -2y = 149 + -2y

Combine like terms: 2y + -2y = 0
2x + 0 = 149 + -2y
2x = 149 + -2y

Divide each side by '2'.
x = 74.5 + -1y

Simplifying
x = 74.5 + -1y

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