(3a+4b)-(5a-7b)=

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Solution for (3a+4b)-(5a-7b)= equation:


Simplifying
(3a + 4b) + -1(5a + -7b) = 0

Remove parenthesis around (3a + 4b)
3a + 4b + -1(5a + -7b) = 0
3a + 4b + (5a * -1 + -7b * -1) = 0
3a + 4b + (-5a + 7b) = 0

Reorder the terms:
3a + -5a + 4b + 7b = 0

Combine like terms: 3a + -5a = -2a
-2a + 4b + 7b = 0

Combine like terms: 4b + 7b = 11b
-2a + 11b = 0

Solving
-2a + 11b = 0

Solving for variable 'a'.

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

Add '-11b' to each side of the equation.
-2a + 11b + -11b = 0 + -11b

Combine like terms: 11b + -11b = 0
-2a + 0 = 0 + -11b
-2a = 0 + -11b
Remove the zero:
-2a = -11b

Divide each side by '-2'.
a = 5.5b

Simplifying
a = 5.5b

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