(18b-11)2+(9b+2)2=360

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Solution for (18b-11)2+(9b+2)2=360 equation:


Simplifying
(18b + -11) * 2 + (9b + 2) * 2 = 360

Reorder the terms:
(-11 + 18b) * 2 + (9b + 2) * 2 = 360

Reorder the terms for easier multiplication:
2(-11 + 18b) + (9b + 2) * 2 = 360
(-11 * 2 + 18b * 2) + (9b + 2) * 2 = 360
(-22 + 36b) + (9b + 2) * 2 = 360

Reorder the terms:
-22 + 36b + (2 + 9b) * 2 = 360

Reorder the terms for easier multiplication:
-22 + 36b + 2(2 + 9b) = 360
-22 + 36b + (2 * 2 + 9b * 2) = 360
-22 + 36b + (4 + 18b) = 360

Reorder the terms:
-22 + 4 + 36b + 18b = 360

Combine like terms: -22 + 4 = -18
-18 + 36b + 18b = 360

Combine like terms: 36b + 18b = 54b
-18 + 54b = 360

Solving
-18 + 54b = 360

Solving for variable 'b'.

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

Add '18' to each side of the equation.
-18 + 18 + 54b = 360 + 18

Combine like terms: -18 + 18 = 0
0 + 54b = 360 + 18
54b = 360 + 18

Combine like terms: 360 + 18 = 378
54b = 378

Divide each side by '54'.
b = 7

Simplifying
b = 7

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