(5a+9b)-(4b+2a)=

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Solution for (5a+9b)-(4b+2a)= equation:


Simplifying
(5a + 9b) + -1(4b + 2a) = 0

Remove parenthesis around (5a + 9b)
5a + 9b + -1(4b + 2a) = 0

Reorder the terms:
5a + 9b + -1(2a + 4b) = 0
5a + 9b + (2a * -1 + 4b * -1) = 0
5a + 9b + (-2a + -4b) = 0

Reorder the terms:
5a + -2a + 9b + -4b = 0

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

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

Solving
3a + 5b = 0

Solving for variable 'a'.

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

Add '-5b' to each side of the equation.
3a + 5b + -5b = 0 + -5b

Combine like terms: 5b + -5b = 0
3a + 0 = 0 + -5b
3a = 0 + -5b
Remove the zero:
3a = -5b

Divide each side by '3'.
a = -1.666666667b

Simplifying
a = -1.666666667b

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