15a-10=20a

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Solution for 15a-10=20a equation:


Simplifying
15a + -10 = 20a

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

Solving
-10 + 15a = 20a

Solving for variable 'a'.

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

Add '-20a' to each side of the equation.
-10 + 15a + -20a = 20a + -20a

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

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

Add '10' to each side of the equation.
-10 + 10 + -5a = 0 + 10

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

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

Divide each side by '-5'.
a = -2

Simplifying
a = -2

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