10a-5+(a-3)=15

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Solution for 10a-5+(a-3)=15 equation:


Simplifying
10a + -5 + (a + -3) = 15

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

Remove parenthesis around (-3 + a)
10a + -5 + -3 + a = 15

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

Combine like terms: -5 + -3 = -8
-8 + 10a + a = 15

Combine like terms: 10a + a = 11a
-8 + 11a = 15

Solving
-8 + 11a = 15

Solving for variable 'a'.

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

Add '8' to each side of the equation.
-8 + 8 + 11a = 15 + 8

Combine like terms: -8 + 8 = 0
0 + 11a = 15 + 8
11a = 15 + 8

Combine like terms: 15 + 8 = 23
11a = 23

Divide each side by '11'.
a = 2.090909091

Simplifying
a = 2.090909091

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