A=7x-(4-x)

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


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

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

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

Solving
A = -4 + 8x

Solving for variable 'A'.

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

Simplifying
A = -4 + 8x

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