(a)+(3a)+(18a-6)=180

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Solution for (a)+(3a)+(18a-6)=180 equation:


Simplifying
(a) + (3a) + (18a + -6) = 180
a + (3a) + (18a + -6) = 180

Reorder the terms:
a + (3a) + (-6 + 18a) = 180

Remove parenthesis around (-6 + 18a)
a + (3a) + -6 + 18a = 180

Reorder the terms:
-6 + a + (3a) + 18a = 180

Combine like terms: a + (3a) = 4a
-6 + 4a + 18a = 180

Combine like terms: 4a + 18a = 22a
-6 + 22a = 180

Solving
-6 + 22a = 180

Solving for variable 'a'.

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

Add '6' to each side of the equation.
-6 + 6 + 22a = 180 + 6

Combine like terms: -6 + 6 = 0
0 + 22a = 180 + 6
22a = 180 + 6

Combine like terms: 180 + 6 = 186
22a = 186

Divide each side by '22'.
a = 8.454545455

Simplifying
a = 8.454545455

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