4(a-1)-8=2(a+3)

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Solution for 4(a-1)-8=2(a+3) equation:


Simplifying
4(a + -1) + -8 = 2(a + 3)

Reorder the terms:
4(-1 + a) + -8 = 2(a + 3)
(-1 * 4 + a * 4) + -8 = 2(a + 3)
(-4 + 4a) + -8 = 2(a + 3)

Reorder the terms:
-4 + -8 + 4a = 2(a + 3)

Combine like terms: -4 + -8 = -12
-12 + 4a = 2(a + 3)

Reorder the terms:
-12 + 4a = 2(3 + a)
-12 + 4a = (3 * 2 + a * 2)
-12 + 4a = (6 + 2a)

Solving
-12 + 4a = 6 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-12 + 4a + -2a = 6 + 2a + -2a

Combine like terms: 4a + -2a = 2a
-12 + 2a = 6 + 2a + -2a

Combine like terms: 2a + -2a = 0
-12 + 2a = 6 + 0
-12 + 2a = 6

Add '12' to each side of the equation.
-12 + 12 + 2a = 6 + 12

Combine like terms: -12 + 12 = 0
0 + 2a = 6 + 12
2a = 6 + 12

Combine like terms: 6 + 12 = 18
2a = 18

Divide each side by '2'.
a = 9

Simplifying
a = 9

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