10a+5(a-3)=-12

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Solution for 10a+5(a-3)=-12 equation:


Simplifying
10a + 5(a + -3) = -12

Reorder the terms:
10a + 5(-3 + a) = -12
10a + (-3 * 5 + a * 5) = -12
10a + (-15 + 5a) = -12

Reorder the terms:
-15 + 10a + 5a = -12

Combine like terms: 10a + 5a = 15a
-15 + 15a = -12

Solving
-15 + 15a = -12

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 + 15a = -12 + 15

Combine like terms: -15 + 15 = 0
0 + 15a = -12 + 15
15a = -12 + 15

Combine like terms: -12 + 15 = 3
15a = 3

Divide each side by '15'.
a = 0.2

Simplifying
a = 0.2

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