3-(a+a)=

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Solution for 3-(a+a)= equation:


Simplifying
3 + -1(a + a) = 0

Combine like terms: a + a = 2a
3 + -1(2a) = 0

Remove parenthesis around (2a)
3 + -1 * 2a = 0

Multiply -1 * 2
3 + -2a = 0

Solving
3 + -2a = 0

Solving for variable 'a'.

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

Add '-3' to each side of the equation.
3 + -3 + -2a = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2a = 0 + -3
-2a = 0 + -3

Combine like terms: 0 + -3 = -3
-2a = -3

Divide each side by '-2'.
a = 1.5

Simplifying
a = 1.5

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