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

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


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

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

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

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

Solving
5a + 5b + -2x = 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.
5a + 5b + -5b + -2x = 0 + -5b

Combine like terms: 5b + -5b = 0
5a + 0 + -2x = 0 + -5b
5a + -2x = 0 + -5b
Remove the zero:
5a + -2x = -5b

Add '2x' to each side of the equation.
5a + -2x + 2x = -5b + 2x

Combine like terms: -2x + 2x = 0
5a + 0 = -5b + 2x
5a = -5b + 2x

Divide each side by '5'.
a = -1b + 0.4x

Simplifying
a = -1b + 0.4x

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