B=7x-(4-x)

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Solution for B=7x-(4-x) equation: 


Simplifying
B = 7x + -1(4 + -1x)
B = 7x + (4 * -1 + -1x * -1)
B = 7x + (-4 + 1x)

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

Combine like terms: 7x + 1x = 8x
B = -4 + 8x

Solving
B = -4 + 8x

Solving for variable 'B'.

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

Simplifying
B = -4 + 8x

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