2(5B-9)=42

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Solution for 2(5B-9)=42 equation: 


Simplifying
2(5B + -9) = 42

Reorder the terms:
2(-9 + 5B) = 42
(-9 * 2 + 5B * 2) = 42
(-18 + 10B) = 42

Solving
-18 + 10B = 42

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 + 10B = 42 + 18

Combine like terms: -18 + 18 = 0
0 + 10B = 42 + 18
10B = 42 + 18

Combine like terms: 42 + 18 = 60
10B = 60

Divide each side by '10'.
B = 6

Simplifying
B = 6

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