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Simplifying
b2 + 7 + -25 = 12
Reorder the terms:
7 + -25 + b2 = 12
Combine like terms: 7 + -25 = -18
-18 + b2 = 12
Solving
-18 + b2 = 12
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 + b2 = 12 + 18
Combine like terms: -18 + 18 = 0
0 + b2 = 12 + 18
b2 = 12 + 18
Combine like terms: 12 + 18 = 30
b2 = 30
Simplifying
b2 = 30
Take the square root of each side:
b = {-5.477225575, 5.477225575}
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