(2a+5)-(3a-4)=

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Solution for (2a+5)-(3a-4)= equation:


Simplifying
(2a + 5) + -1(3a + -4) = 0

Reorder the terms:
(5 + 2a) + -1(3a + -4) = 0

Remove parenthesis around (5 + 2a)
5 + 2a + -1(3a + -4) = 0

Reorder the terms:
5 + 2a + -1(-4 + 3a) = 0
5 + 2a + (-4 * -1 + 3a * -1) = 0
5 + 2a + (4 + -3a) = 0

Reorder the terms:
5 + 4 + 2a + -3a = 0

Combine like terms: 5 + 4 = 9
9 + 2a + -3a = 0

Combine like terms: 2a + -3a = -1a
9 + -1a = 0

Solving
9 + -1a = 0

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + -1a = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1a = 0 + -9
-1a = 0 + -9

Combine like terms: 0 + -9 = -9
-1a = -9

Divide each side by '-1'.
a = 9

Simplifying
a = 9

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