-12+4a=-9a+1

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Solution for -12+4a=-9a+1 equation:


Simplifying
-12 + 4a = -9a + 1

Reorder the terms:
-12 + 4a = 1 + -9a

Solving
-12 + 4a = 1 + -9a

Solving for variable 'a'.

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

Add '9a' to each side of the equation.
-12 + 4a + 9a = 1 + -9a + 9a

Combine like terms: 4a + 9a = 13a
-12 + 13a = 1 + -9a + 9a

Combine like terms: -9a + 9a = 0
-12 + 13a = 1 + 0
-12 + 13a = 1

Add '12' to each side of the equation.
-12 + 12 + 13a = 1 + 12

Combine like terms: -12 + 12 = 0
0 + 13a = 1 + 12
13a = 1 + 12

Combine like terms: 1 + 12 = 13
13a = 13

Divide each side by '13'.
a = 1

Simplifying
a = 1

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