3a+7+2(3a)=

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Solution for 3a+7+2(3a)= equation:


Simplifying
3a + 7 + 2(3a) = 0

Remove parenthesis around (3a)
3a + 7 + 2 * 3a = 0

Multiply 2 * 3
3a + 7 + 6a = 0

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

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

Solving
7 + 9a = 0

Solving for variable 'a'.

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

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

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

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

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

Simplifying
a = -0.7777777778

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