9+(5+3a)=2a-7

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Solution for 9+(5+3a)=2a-7 equation:


Simplifying
9 + (5 + 3a) = 2a + -7

Remove parenthesis around (5 + 3a)
9 + 5 + 3a = 2a + -7

Combine like terms: 9 + 5 = 14
14 + 3a = 2a + -7

Reorder the terms:
14 + 3a = -7 + 2a

Solving
14 + 3a = -7 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
14 + 3a + -2a = -7 + 2a + -2a

Combine like terms: 3a + -2a = 1a
14 + 1a = -7 + 2a + -2a

Combine like terms: 2a + -2a = 0
14 + 1a = -7 + 0
14 + 1a = -7

Add '-14' to each side of the equation.
14 + -14 + 1a = -7 + -14

Combine like terms: 14 + -14 = 0
0 + 1a = -7 + -14
1a = -7 + -14

Combine like terms: -7 + -14 = -21
1a = -21

Divide each side by '1'.
a = -21

Simplifying
a = -21

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