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

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


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

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

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

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

Combine like terms: -4b + -5b = -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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