-19a-12+4a=-57

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


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

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

Combine like terms: -19a + 4a = -15a
-12 + -15a = -57

Solving
-12 + -15a = -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 + 12 + -15a = -57 + 12

Combine like terms: -12 + 12 = 0
0 + -15a = -57 + 12
-15a = -57 + 12

Combine like terms: -57 + 12 = -45
-15a = -45

Divide each side by '-15'.
a = 3

Simplifying
a = 3

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