7a-6(3a-3)=84

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Solution for 7a-6(3a-3)=84 equation:


Simplifying
7a + -6(3a + -3) = 84

Reorder the terms:
7a + -6(-3 + 3a) = 84
7a + (-3 * -6 + 3a * -6) = 84
7a + (18 + -18a) = 84

Reorder the terms:
18 + 7a + -18a = 84

Combine like terms: 7a + -18a = -11a
18 + -11a = 84

Solving
18 + -11a = 84

Solving for variable 'a'.

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

Add '-18' to each side of the equation.
18 + -18 + -11a = 84 + -18

Combine like terms: 18 + -18 = 0
0 + -11a = 84 + -18
-11a = 84 + -18

Combine like terms: 84 + -18 = 66
-11a = 66

Divide each side by '-11'.
a = -6

Simplifying
a = -6

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