3a+20+2a=-15a+80

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Solution for 3a+20+2a=-15a+80 equation:


Simplifying
3a + 20 + 2a = -15a + 80

Reorder the terms:
20 + 3a + 2a = -15a + 80

Combine like terms: 3a + 2a = 5a
20 + 5a = -15a + 80

Reorder the terms:
20 + 5a = 80 + -15a

Solving
20 + 5a = 80 + -15a

Solving for variable 'a'.

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

Add '15a' to each side of the equation.
20 + 5a + 15a = 80 + -15a + 15a

Combine like terms: 5a + 15a = 20a
20 + 20a = 80 + -15a + 15a

Combine like terms: -15a + 15a = 0
20 + 20a = 80 + 0
20 + 20a = 80

Add '-20' to each side of the equation.
20 + -20 + 20a = 80 + -20

Combine like terms: 20 + -20 = 0
0 + 20a = 80 + -20
20a = 80 + -20

Combine like terms: 80 + -20 = 60
20a = 60

Divide each side by '20'.
a = 3

Simplifying
a = 3

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