19=3a+4

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Solution for 19=3a+4 equation:


Simplifying
19 = 3a + 4

Reorder the terms:
19 = 4 + 3a

Solving
19 = 4 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
19 + -3a = 4 + 3a + -3a

Combine like terms: 3a + -3a = 0
19 + -3a = 4 + 0
19 + -3a = 4

Add '-19' to each side of the equation.
19 + -19 + -3a = 4 + -19

Combine like terms: 19 + -19 = 0
0 + -3a = 4 + -19
-3a = 4 + -19

Combine like terms: 4 + -19 = -15
-3a = -15

Divide each side by '-3'.
a = 5

Simplifying
a = 5

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