10(9a+12)=2a-6(-6-10a)

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Solution for 10(9a+12)=2a-6(-6-10a) equation:


Simplifying
10(9a + 12) = 2a + -6(-6 + -10a)

Reorder the terms:
10(12 + 9a) = 2a + -6(-6 + -10a)
(12 * 10 + 9a * 10) = 2a + -6(-6 + -10a)
(120 + 90a) = 2a + -6(-6 + -10a)
120 + 90a = 2a + (-6 * -6 + -10a * -6)
120 + 90a = 2a + (36 + 60a)

Reorder the terms:
120 + 90a = 36 + 2a + 60a

Combine like terms: 2a + 60a = 62a
120 + 90a = 36 + 62a

Solving
120 + 90a = 36 + 62a

Solving for variable 'a'.

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

Add '-62a' to each side of the equation.
120 + 90a + -62a = 36 + 62a + -62a

Combine like terms: 90a + -62a = 28a
120 + 28a = 36 + 62a + -62a

Combine like terms: 62a + -62a = 0
120 + 28a = 36 + 0
120 + 28a = 36

Add '-120' to each side of the equation.
120 + -120 + 28a = 36 + -120

Combine like terms: 120 + -120 = 0
0 + 28a = 36 + -120
28a = 36 + -120

Combine like terms: 36 + -120 = -84
28a = -84

Divide each side by '28'.
a = -3

Simplifying
a = -3

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