19a-3-3(a-6)=66

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Solution for 19a-3-3(a-6)=66 equation:


Simplifying
19a + -3 + -3(a + -6) = 66

Reorder the terms:
19a + -3 + -3(-6 + a) = 66
19a + -3 + (-6 * -3 + a * -3) = 66
19a + -3 + (18 + -3a) = 66

Reorder the terms:
-3 + 18 + 19a + -3a = 66

Combine like terms: -3 + 18 = 15
15 + 19a + -3a = 66

Combine like terms: 19a + -3a = 16a
15 + 16a = 66

Solving
15 + 16a = 66

Solving for variable 'a'.

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

Add '-15' to each side of the equation.
15 + -15 + 16a = 66 + -15

Combine like terms: 15 + -15 = 0
0 + 16a = 66 + -15
16a = 66 + -15

Combine like terms: 66 + -15 = 51
16a = 51

Divide each side by '16'.
a = 3.1875

Simplifying
a = 3.1875

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