10a+(a-3)=15

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


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

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

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

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

Combine like terms: 10a + a = 11a
-3 + 11a = 15

Solving
-3 + 11a = 15

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 11a = 15 + 3

Combine like terms: -3 + 3 = 0
0 + 11a = 15 + 3
11a = 15 + 3

Combine like terms: 15 + 3 = 18
11a = 18

Divide each side by '11'.
a = 1.636363636

Simplifying
a = 1.636363636

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