(a-2)+(a-4)=

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Solution for (a-2)+(a-4)= equation:


Simplifying
(a + -2) + (a + -4) = 0

Reorder the terms:
(-2 + a) + (a + -4) = 0

Remove parenthesis around (-2 + a)
-2 + a + (a + -4) = 0

Reorder the terms:
-2 + a + (-4 + a) = 0

Remove parenthesis around (-4 + a)
-2 + a + -4 + a = 0

Reorder the terms:
-2 + -4 + a + a = 0

Combine like terms: -2 + -4 = -6
-6 + a + a = 0

Combine like terms: a + a = 2a
-6 + 2a = 0

Solving
-6 + 2a = 0

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 2a = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 2a = 0 + 6
2a = 0 + 6

Combine like terms: 0 + 6 = 6
2a = 6

Divide each side by '2'.
a = 3

Simplifying
a = 3

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