7b+(-3a)+5a+(-9b)=

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Solution for 7b+(-3a)+5a+(-9b)= equation:


Simplifying
7b + (-3a) + 5a + (-9b) = 0

Reorder the terms:
(-3a) + 5a + 7b + (-9b) = 0

Combine like terms: (-3a) + 5a = 2a
2a + 7b + (-9b) = 0

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

Solving
2a + -2b = 0

Solving for variable 'a'.

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

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

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

Divide each side by '2'.
a = b

Simplifying
a = b

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