10a-5-3a=2a-15

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Solution for 10a-5-3a=2a-15 equation:


Simplifying
10a + -5 + -3a = 2a + -15

Reorder the terms:
-5 + 10a + -3a = 2a + -15

Combine like terms: 10a + -3a = 7a
-5 + 7a = 2a + -15

Reorder the terms:
-5 + 7a = -15 + 2a

Solving
-5 + 7a = -15 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-5 + 7a + -2a = -15 + 2a + -2a

Combine like terms: 7a + -2a = 5a
-5 + 5a = -15 + 2a + -2a

Combine like terms: 2a + -2a = 0
-5 + 5a = -15 + 0
-5 + 5a = -15

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

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

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

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

Simplifying
a = -2

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