=6a+(3a+7)

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Solution for =6a+(3a+7) equation:


Simplifying
0 = 6a + (3a + 7)

Reorder the terms:
0 = 6a + (7 + 3a)

Remove parenthesis around (7 + 3a)
0 = 6a + 7 + 3a

Reorder the terms:
0 = 7 + 6a + 3a

Combine like terms: 6a + 3a = 9a
0 = 7 + 9a

Solving
0 = 7 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
0 + -9a = 7 + 9a + -9a
Remove the zero:
-9a = 7 + 9a + -9a

Combine like terms: 9a + -9a = 0
-9a = 7 + 0
-9a = 7

Divide each side by '-9'.
a = -0.7777777778

Simplifying
a = -0.7777777778

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