4x-a=7x+12

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Solution for 4x-a=7x+12 equation:


Simplifying
4x + -1a = 7x + 12

Reorder the terms:
-1a + 4x = 7x + 12

Reorder the terms:
-1a + 4x = 12 + 7x

Solving
-1a + 4x = 12 + 7x

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.
-1a + 4x + -4x = 12 + 7x + -4x

Combine like terms: 4x + -4x = 0
-1a + 0 = 12 + 7x + -4x
-1a = 12 + 7x + -4x

Combine like terms: 7x + -4x = 3x
-1a = 12 + 3x

Divide each side by '-1'.
a = -12 + -3x

Simplifying
a = -12 + -3x

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