(3a-4b-5)-(-4b+9)=

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Solution for (3a-4b-5)-(-4b+9)= equation:


Simplifying
(3a + -4b + -5) + -1(-4b + 9) = 0

Reorder the terms:
(-5 + 3a + -4b) + -1(-4b + 9) = 0

Remove parenthesis around (-5 + 3a + -4b)
-5 + 3a + -4b + -1(-4b + 9) = 0

Reorder the terms:
-5 + 3a + -4b + -1(9 + -4b) = 0
-5 + 3a + -4b + (9 * -1 + -4b * -1) = 0
-5 + 3a + -4b + (-9 + 4b) = 0

Reorder the terms:
-5 + -9 + 3a + -4b + 4b = 0

Combine like terms: -5 + -9 = -14
-14 + 3a + -4b + 4b = 0

Combine like terms: -4b + 4b = 0
-14 + 3a + 0 = 0
-14 + 3a = 0

Solving
-14 + 3a = 0

Solving for variable 'a'.

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

Add '14' to each side of the equation.
-14 + 14 + 3a = 0 + 14

Combine like terms: -14 + 14 = 0
0 + 3a = 0 + 14
3a = 0 + 14

Combine like terms: 0 + 14 = 14
3a = 14

Divide each side by '3'.
a = 4.666666667

Simplifying
a = 4.666666667

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