3(a-1)=6(a-4)

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Solution for 3(a-1)=6(a-4) equation:


Simplifying
3(a + -1) = 6(a + -4)

Reorder the terms:
3(-1 + a) = 6(a + -4)
(-1 * 3 + a * 3) = 6(a + -4)
(-3 + 3a) = 6(a + -4)

Reorder the terms:
-3 + 3a = 6(-4 + a)
-3 + 3a = (-4 * 6 + a * 6)
-3 + 3a = (-24 + 6a)

Solving
-3 + 3a = -24 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
-3 + 3a + -6a = -24 + 6a + -6a

Combine like terms: 3a + -6a = -3a
-3 + -3a = -24 + 6a + -6a

Combine like terms: 6a + -6a = 0
-3 + -3a = -24 + 0
-3 + -3a = -24

Add '3' to each side of the equation.
-3 + 3 + -3a = -24 + 3

Combine like terms: -3 + 3 = 0
0 + -3a = -24 + 3
-3a = -24 + 3

Combine like terms: -24 + 3 = -21
-3a = -21

Divide each side by '-3'.
a = 7

Simplifying
a = 7

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