3a+66=12a+30

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Solution for 3a+66=12a+30 equation:


Simplifying
3a + 66 = 12a + 30

Reorder the terms:
66 + 3a = 12a + 30

Reorder the terms:
66 + 3a = 30 + 12a

Solving
66 + 3a = 30 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
66 + 3a + -12a = 30 + 12a + -12a

Combine like terms: 3a + -12a = -9a
66 + -9a = 30 + 12a + -12a

Combine like terms: 12a + -12a = 0
66 + -9a = 30 + 0
66 + -9a = 30

Add '-66' to each side of the equation.
66 + -66 + -9a = 30 + -66

Combine like terms: 66 + -66 = 0
0 + -9a = 30 + -66
-9a = 30 + -66

Combine like terms: 30 + -66 = -36
-9a = -36

Divide each side by '-9'.
a = 4

Simplifying
a = 4

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