9a-7b+3a-2b=12a-5b

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Solution for 9a-7b+3a-2b=12a-5b equation:


Simplifying
9a + -7b + 3a + -2b = 12a + -5b

Reorder the terms:
9a + 3a + -7b + -2b = 12a + -5b

Combine like terms: 9a + 3a = 12a
12a + -7b + -2b = 12a + -5b

Combine like terms: -7b + -2b = -9b
12a + -9b = 12a + -5b

Add '-12a' to each side of the equation.
12a + -12a + -9b = 12a + -12a + -5b

Combine like terms: 12a + -12a = 0
0 + -9b = 12a + -12a + -5b
-9b = 12a + -12a + -5b

Combine like terms: 12a + -12a = 0
-9b = 0 + -5b
-9b = -5b

Solving
-9b = -5b

Solving for variable 'b'.

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

Add '5b' to each side of the equation.
-9b + 5b = -5b + 5b

Combine like terms: -9b + 5b = -4b
-4b = -5b + 5b

Combine like terms: -5b + 5b = 0
-4b = 0

Divide each side by '-4'.
b = 0

Simplifying
b = 0

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