4x+a=b-7

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Solution for 4x+a=b-7 equation: 


Simplifying
4x + a = b + -7

Reorder the terms:
a + 4x = b + -7

Reorder the terms:
a + 4x = -7 + b

Solving
a + 4x = -7 + b

Solving for variable 'a'.

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

Add '-4x' to each side of the equation.
a + 4x + -4x = -7 + b + -4x

Combine like terms: 4x + -4x = 0
a + 0 = -7 + b + -4x
a = -7 + b + -4x

Simplifying
a = -7 + b + -4x

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