(9a+7b)-(6a+4b)=

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Solution for (9a+7b)-(6a+4b)= equation:


Simplifying
(9a + 7b) + -1(6a + 4b) = 0

Remove parenthesis around (9a + 7b)
9a + 7b + -1(6a + 4b) = 0
9a + 7b + (6a * -1 + 4b * -1) = 0
9a + 7b + (-6a + -4b) = 0

Reorder the terms:
9a + -6a + 7b + -4b = 0

Combine like terms: 9a + -6a = 3a
3a + 7b + -4b = 0

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

Solving
3a + 3b = 0

Solving for variable 'a'.

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

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

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

Divide each side by '3'.
a = -1b

Simplifying
a = -1b

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