3a+-3b=

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Solution for 3a+-3b= equation: 


Simplifying
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 = b

Simplifying
a = b

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