3b+2B-7=15

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Solution for 3b+2B-7=15 equation:


Simplifying
3b + 2B + -7 = 15

Reorder the terms:
-7 + 2B + 3b = 15

Solving
-7 + 2B + 3b = 15

Solving for variable 'B'.

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

Add '7' to each side of the equation.
-7 + 2B + 7 + 3b = 15 + 7

Reorder the terms:
-7 + 7 + 2B + 3b = 15 + 7

Combine like terms: -7 + 7 = 0
0 + 2B + 3b = 15 + 7
2B + 3b = 15 + 7

Combine like terms: 15 + 7 = 22
2B + 3b = 22

Add '-3b' to each side of the equation.
2B + 3b + -3b = 22 + -3b

Combine like terms: 3b + -3b = 0
2B + 0 = 22 + -3b
2B = 22 + -3b

Divide each side by '2'.
B = 11 + -1.5b

Simplifying
B = 11 + -1.5b

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