8a-12=4(a-5)

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Solution for 8a-12=4(a-5) equation:


Simplifying
8a + -12 = 4(a + -5)

Reorder the terms:
-12 + 8a = 4(a + -5)

Reorder the terms:
-12 + 8a = 4(-5 + a)
-12 + 8a = (-5 * 4 + a * 4)
-12 + 8a = (-20 + 4a)

Solving
-12 + 8a = -20 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
-12 + 8a + -4a = -20 + 4a + -4a

Combine like terms: 8a + -4a = 4a
-12 + 4a = -20 + 4a + -4a

Combine like terms: 4a + -4a = 0
-12 + 4a = -20 + 0
-12 + 4a = -20

Add '12' to each side of the equation.
-12 + 12 + 4a = -20 + 12

Combine like terms: -12 + 12 = 0
0 + 4a = -20 + 12
4a = -20 + 12

Combine like terms: -20 + 12 = -8
4a = -8

Divide each side by '4'.
a = -2

Simplifying
a = -2

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