9a+12-3a=17-4a

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Solution for 9a+12-3a=17-4a equation:


Simplifying
9a + 12 + -3a = 17 + -4a

Reorder the terms:
12 + 9a + -3a = 17 + -4a

Combine like terms: 9a + -3a = 6a
12 + 6a = 17 + -4a

Solving
12 + 6a = 17 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
12 + 6a + 4a = 17 + -4a + 4a

Combine like terms: 6a + 4a = 10a
12 + 10a = 17 + -4a + 4a

Combine like terms: -4a + 4a = 0
12 + 10a = 17 + 0
12 + 10a = 17

Add '-12' to each side of the equation.
12 + -12 + 10a = 17 + -12

Combine like terms: 12 + -12 = 0
0 + 10a = 17 + -12
10a = 17 + -12

Combine like terms: 17 + -12 = 5
10a = 5

Divide each side by '10'.
a = 0.5

Simplifying
a = 0.5

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