6a+15=-42

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Solution for 6a+15=-42 equation: 


Simplifying
6a + 15 = -42

Reorder the terms:
15 + 6a = -42

Solving
15 + 6a = -42

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + 6a = -42 + -15

Combine like terms: 15 + -15 = 0
0 + 6a = -42 + -15
6a = -42 + -15

Combine like terms: -42 + -15 = -57
6a = -57

Divide each side by '6'.
a = -9.5

Simplifying
a = -9.5

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