1a+5(a-3)=15

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Solution for 1a+5(a-3)=15 equation:


Simplifying
1a + 5(a + -3) = 15

Reorder the terms:
1a + 5(-3 + a) = 15
1a + (-3 * 5 + a * 5) = 15
1a + (-15 + 5a) = 15

Reorder the terms:
-15 + 1a + 5a = 15

Combine like terms: 1a + 5a = 6a
-15 + 6a = 15

Solving
-15 + 6a = 15

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + 15 + 6a = 15 + 15

Combine like terms: -15 + 15 = 0
0 + 6a = 15 + 15
6a = 15 + 15

Combine like terms: 15 + 15 = 30
6a = 30

Divide each side by '6'.
a = 5

Simplifying
a = 5

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