4a+8+12=19

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Solution for 4a+8+12=19 equation:


Simplifying
4a + 8 + 12 = 19

Reorder the terms:
8 + 12 + 4a = 19

Combine like terms: 8 + 12 = 20
20 + 4a = 19

Solving
20 + 4a = 19

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + -20 + 4a = 19 + -20

Combine like terms: 20 + -20 = 0
0 + 4a = 19 + -20
4a = 19 + -20

Combine like terms: 19 + -20 = -1
4a = -1

Divide each side by '4'.
a = -0.25

Simplifying
a = -0.25

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