7(B+3)=5-B

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Solution for 7(B+3)=5-B equation:


Simplifying
7(B + 3) = 5 + -1B

Reorder the terms:
7(3 + B) = 5 + -1B
(3 * 7 + B * 7) = 5 + -1B
(21 + 7B) = 5 + -1B

Solving
21 + 7B = 5 + -1B

Solving for variable 'B'.

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

Add 'B' to each side of the equation.
21 + 7B + B = 5 + -1B + B

Combine like terms: 7B + B = 8B
21 + 8B = 5 + -1B + B

Combine like terms: -1B + B = 0
21 + 8B = 5 + 0
21 + 8B = 5

Add '-21' to each side of the equation.
21 + -21 + 8B = 5 + -21

Combine like terms: 21 + -21 = 0
0 + 8B = 5 + -21
8B = 5 + -21

Combine like terms: 5 + -21 = -16
8B = -16

Divide each side by '8'.
B = -2

Simplifying
B = -2

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