0=15a+-20-5a-10

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Solution for 0=15a+-20-5a-10 equation:


Simplifying
0 = 15a + -20 + -5a + -10

Reorder the terms:
0 = -20 + -10 + 15a + -5a

Combine like terms: -20 + -10 = -30
0 = -30 + 15a + -5a

Combine like terms: 15a + -5a = 10a
0 = -30 + 10a

Solving
0 = -30 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
0 + -10a = -30 + 10a + -10a
Remove the zero:
-10a = -30 + 10a + -10a

Combine like terms: 10a + -10a = 0
-10a = -30 + 0
-10a = -30

Divide each side by '-10'.
a = 3

Simplifying
a = 3

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