6+7a=18[-4]

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Solution for 6+7a=18[-4] equation: 


Simplifying
6 + 7a = 18[-4]

Multiply 18 * -4
6 + 7a = -72

Solving
6 + 7a = -72

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 7a = -72 + -6

Combine like terms: 6 + -6 = 0
0 + 7a = -72 + -6
7a = -72 + -6

Combine like terms: -72 + -6 = -78
7a = -78

Divide each side by '7'.
a = -11.14285714

Simplifying
a = -11.14285714

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