13a-3(a-6)=66

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Solution for 13a-3(a-6)=66 equation:


Simplifying
13a + -3(a + -6) = 66

Reorder the terms:
13a + -3(-6 + a) = 66
13a + (-6 * -3 + a * -3) = 66
13a + (18 + -3a) = 66

Reorder the terms:
18 + 13a + -3a = 66

Combine like terms: 13a + -3a = 10a
18 + 10a = 66

Solving
18 + 10a = 66

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 + 10a = 66 + -18

Combine like terms: 18 + -18 = 0
0 + 10a = 66 + -18
10a = 66 + -18

Combine like terms: 66 + -18 = 48
10a = 48

Divide each side by '10'.
a = 4.8

Simplifying
a = 4.8

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