8a+12=3a+57

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Solution for 8a+12=3a+57 equation:


Simplifying
8a + 12 = 3a + 57

Reorder the terms:
12 + 8a = 3a + 57

Reorder the terms:
12 + 8a = 57 + 3a

Solving
12 + 8a = 57 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
12 + 8a + -3a = 57 + 3a + -3a

Combine like terms: 8a + -3a = 5a
12 + 5a = 57 + 3a + -3a

Combine like terms: 3a + -3a = 0
12 + 5a = 57 + 0
12 + 5a = 57

Add '-12' to each side of the equation.
12 + -12 + 5a = 57 + -12

Combine like terms: 12 + -12 = 0
0 + 5a = 57 + -12
5a = 57 + -12

Combine like terms: 57 + -12 = 45
5a = 45

Divide each side by '5'.
a = 9

Simplifying
a = 9

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