-3-3b^2=-15

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Solution for -3-3b^2=-15 equation: 


Simplifying
-3 + -3b2 = -15

Solving
-3 + -3b2 = -15

Solving for variable 'b'.

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

Add '3' to each side of the equation.
-3 + 3 + -3b2 = -15 + 3

Combine like terms: -3 + 3 = 0
0 + -3b2 = -15 + 3
-3b2 = -15 + 3

Combine like terms: -15 + 3 = -12
-3b2 = -12

Divide each side by '-3'.
b2 = 4

Simplifying
b2 = 4

Take the square root of each side:
b = {-2, 2}

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