2a-(7+3a)+(3-5a)=

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Solution for 2a-(7+3a)+(3-5a)= equation:


Simplifying
2a + -1(7 + 3a) + (3 + -5a) = 0
2a + (7 * -1 + 3a * -1) + (3 + -5a) = 0
2a + (-7 + -3a) + (3 + -5a) = 0

Remove parenthesis around (3 + -5a)
2a + -7 + -3a + 3 + -5a = 0

Reorder the terms:
-7 + 3 + 2a + -3a + -5a = 0

Combine like terms: -7 + 3 = -4
-4 + 2a + -3a + -5a = 0

Combine like terms: 2a + -3a = -1a
-4 + -1a + -5a = 0

Combine like terms: -1a + -5a = -6a
-4 + -6a = 0

Solving
-4 + -6a = 0

Solving for variable 'a'.

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

Add '4' to each side of the equation.
-4 + 4 + -6a = 0 + 4

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

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

Divide each side by '-6'.
a = -0.6666666667

Simplifying
a = -0.6666666667

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