19a-7-3a+12a=

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Solution for 19a-7-3a+12a= equation:


Simplifying
19a + -7 + -3a + 12a = 0

Reorder the terms:
-7 + 19a + -3a + 12a = 0

Combine like terms: 19a + -3a = 16a
-7 + 16a + 12a = 0

Combine like terms: 16a + 12a = 28a
-7 + 28a = 0

Solving
-7 + 28a = 0

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 28a = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 28a = 0 + 7
28a = 0 + 7

Combine like terms: 0 + 7 = 7
28a = 7

Divide each side by '28'.
a = 0.25

Simplifying
a = 0.25

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