19a-3(a-3)=66

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


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

Reorder the terms:
19a + -3(-3 + a) = 66
19a + (-3 * -3 + a * -3) = 66
19a + (9 + -3a) = 66

Reorder the terms:
9 + 19a + -3a = 66

Combine like terms: 19a + -3a = 16a
9 + 16a = 66

Solving
9 + 16a = 66

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 16a = 66 + -9

Combine like terms: 9 + -9 = 0
0 + 16a = 66 + -9
16a = 66 + -9

Combine like terms: 66 + -9 = 57
16a = 57

Divide each side by '16'.
a = 3.5625

Simplifying
a = 3.5625

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