12a-6a+42=7

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Solution for 12a-6a+42=7 equation:


Simplifying
12a + -6a + 42 = 7

Reorder the terms:
42 + 12a + -6a = 7

Combine like terms: 12a + -6a = 6a
42 + 6a = 7

Solving
42 + 6a = 7

Solving for variable 'a'.

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

Add '-42' to each side of the equation.
42 + -42 + 6a = 7 + -42

Combine like terms: 42 + -42 = 0
0 + 6a = 7 + -42
6a = 7 + -42

Combine like terms: 7 + -42 = -35
6a = -35

Divide each side by '6'.
a = -5.833333333

Simplifying
a = -5.833333333

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