9a-(3a-7)=

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Solution for 9a-(3a-7)= equation:


Simplifying
9a + -1(3a + -7) = 0

Reorder the terms:
9a + -1(-7 + 3a) = 0
9a + (-7 * -1 + 3a * -1) = 0
9a + (7 + -3a) = 0

Reorder the terms:
7 + 9a + -3a = 0

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

Solving
7 + 6a = 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 + 6a = 0 + -7

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

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

Divide each side by '6'.
a = -1.166666667

Simplifying
a = -1.166666667

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