2(B+2)-(7+B)=-4

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Solution for 2(B+2)-(7+B)=-4 equation: 


Simplifying
2(B + 2) + -1(7 + B) = -4

Reorder the terms:
2(2 + B) + -1(7 + B) = -4
(2 * 2 + B * 2) + -1(7 + B) = -4
(4 + 2B) + -1(7 + B) = -4
4 + 2B + (7 * -1 + B * -1) = -4
4 + 2B + (-7 + -1B) = -4

Reorder the terms:
4 + -7 + 2B + -1B = -4

Combine like terms: 4 + -7 = -3
-3 + 2B + -1B = -4

Combine like terms: 2B + -1B = 1B
-3 + 1B = -4

Solving
-3 + 1B = -4

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 + 1B = -4 + 3

Combine like terms: -3 + 3 = 0
0 + 1B = -4 + 3
1B = -4 + 3

Combine like terms: -4 + 3 = -1
1B = -1

Divide each side by '1'.
B = -1

Simplifying
B = -1

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