5a+4a-7b-2b=

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Solution for 5a+4a-7b-2b= equation:


Simplifying
5a + 4a + -7b + -2b = 0

Combine like terms: 5a + 4a = 9a
9a + -7b + -2b = 0

Combine like terms: -7b + -2b = -9b
9a + -9b = 0

Solving
9a + -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.
9a + -9b + 9b = 0 + 9b

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

Divide each side by '9'.
a = b

Simplifying
a = b

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