20-12a+10a-4=

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Solution for 20-12a+10a-4= equation:


Simplifying
20 + -12a + 10a + -4 = 0

Reorder the terms:
20 + -4 + -12a + 10a = 0

Combine like terms: 20 + -4 = 16
16 + -12a + 10a = 0

Combine like terms: -12a + 10a = -2a
16 + -2a = 0

Solving
16 + -2a = 0

Solving for variable 'a'.

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

Add '-16' to each side of the equation.
16 + -16 + -2a = 0 + -16

Combine like terms: 16 + -16 = 0
0 + -2a = 0 + -16
-2a = 0 + -16

Combine like terms: 0 + -16 = -16
-2a = -16

Divide each side by '-2'.
a = 8

Simplifying
a = 8

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