3a+15+5a+5=180

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Solution for 3a+15+5a+5=180 equation:


Simplifying
3a + 15 + 5a + 5 = 180

Reorder the terms:
15 + 5 + 3a + 5a = 180

Combine like terms: 15 + 5 = 20
20 + 3a + 5a = 180

Combine like terms: 3a + 5a = 8a
20 + 8a = 180

Solving
20 + 8a = 180

Solving for variable 'a'.

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

Add '-20' to each side of the equation.
20 + -20 + 8a = 180 + -20

Combine like terms: 20 + -20 = 0
0 + 8a = 180 + -20
8a = 180 + -20

Combine like terms: 180 + -20 = 160
8a = 160

Divide each side by '8'.
a = 20

Simplifying
a = 20

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