-3(3b-5)=51

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Solution for -3(3b-5)=51 equation:


Simplifying
-3(3b + -5) = 51

Reorder the terms:
-3(-5 + 3b) = 51
(-5 * -3 + 3b * -3) = 51
(15 + -9b) = 51

Solving
15 + -9b = 51

Solving for variable 'b'.

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

Add '-15' to each side of the equation.
15 + -15 + -9b = 51 + -15

Combine like terms: 15 + -15 = 0
0 + -9b = 51 + -15
-9b = 51 + -15

Combine like terms: 51 + -15 = 36
-9b = 36

Divide each side by '-9'.
b = -4

Simplifying
b = -4

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