(2a+3)-(4a-6)=9

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Solution for (2a+3)-(4a-6)=9 equation:


Simplifying
(2a + 3) + -1(4a + -6) = 9

Reorder the terms:
(3 + 2a) + -1(4a + -6) = 9

Remove parenthesis around (3 + 2a)
3 + 2a + -1(4a + -6) = 9

Reorder the terms:
3 + 2a + -1(-6 + 4a) = 9
3 + 2a + (-6 * -1 + 4a * -1) = 9
3 + 2a + (6 + -4a) = 9

Reorder the terms:
3 + 6 + 2a + -4a = 9

Combine like terms: 3 + 6 = 9
9 + 2a + -4a = 9

Combine like terms: 2a + -4a = -2a
9 + -2a = 9

Add '-9' to each side of the equation.
9 + -9 + -2a = 9 + -9

Combine like terms: 9 + -9 = 0
0 + -2a = 9 + -9
-2a = 9 + -9

Combine like terms: 9 + -9 = 0
-2a = 0

Solving
-2a = 0

Solving for variable 'a'.

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

Divide each side by '-2'.
a = 0

Simplifying
a = 0

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