19x-12-4a=57

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Solution for 19x-12-4a=57 equation:


Simplifying
19x + -12 + -4a = 57

Reorder the terms:
-12 + -4a + 19x = 57

Solving
-12 + -4a + 19x = 57

Solving for variable 'a'.

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

Add '12' to each side of the equation.
-12 + -4a + 12 + 19x = 57 + 12

Reorder the terms:
-12 + 12 + -4a + 19x = 57 + 12

Combine like terms: -12 + 12 = 0
0 + -4a + 19x = 57 + 12
-4a + 19x = 57 + 12

Combine like terms: 57 + 12 = 69
-4a + 19x = 69

Add '-19x' to each side of the equation.
-4a + 19x + -19x = 69 + -19x

Combine like terms: 19x + -19x = 0
-4a + 0 = 69 + -19x
-4a = 69 + -19x

Divide each side by '-4'.
a = -17.25 + 4.75x

Simplifying
a = -17.25 + 4.75x

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