7a+19=12a-1

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Solution for 7a+19=12a-1 equation:


Simplifying
7a + 19 = 12a + -1

Reorder the terms:
19 + 7a = 12a + -1

Reorder the terms:
19 + 7a = -1 + 12a

Solving
19 + 7a = -1 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
19 + 7a + -12a = -1 + 12a + -12a

Combine like terms: 7a + -12a = -5a
19 + -5a = -1 + 12a + -12a

Combine like terms: 12a + -12a = 0
19 + -5a = -1 + 0
19 + -5a = -1

Add '-19' to each side of the equation.
19 + -19 + -5a = -1 + -19

Combine like terms: 19 + -19 = 0
0 + -5a = -1 + -19
-5a = -1 + -19

Combine like terms: -1 + -19 = -20
-5a = -20

Divide each side by '-5'.
a = 4

Simplifying
a = 4

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