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

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


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

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

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

Combine like terms: 3a + -2a = 1a
1a + 5b + 4b = 0

Combine like terms: 5b + 4b = 9b
1a + 9b = 0

Solving
1a + 9b = 0

Solving for variable 'a'.

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

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

Combine like terms: 9b + -9b = 0
1a + 0 = 0 + -9b
1a = 0 + -9b
Remove the zero:
1a = -9b

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

Simplifying
a = -9b

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