6+3a+4a=-8

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Solution for 6+3a+4a=-8 equation: 


Simplifying
6 + 3a + 4a = -8

Combine like terms: 3a + 4a = 7a
6 + 7a = -8

Solving
6 + 7a = -8

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 = -8 + -6

Combine like terms: 6 + -6 = 0
0 + 7a = -8 + -6
7a = -8 + -6

Combine like terms: -8 + -6 = -14
7a = -14

Divide each side by '7'.
a = -2

Simplifying
a = -2

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