3a-3=6(a-13)

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Solution for 3a-3=6(a-13) equation:


Simplifying
3a + -3 = 6(a + -13)

Reorder the terms:
-3 + 3a = 6(a + -13)

Reorder the terms:
-3 + 3a = 6(-13 + a)
-3 + 3a = (-13 * 6 + a * 6)
-3 + 3a = (-78 + 6a)

Solving
-3 + 3a = -78 + 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 = -78 + 6a + -6a

Combine like terms: 3a + -6a = -3a
-3 + -3a = -78 + 6a + -6a

Combine like terms: 6a + -6a = 0
-3 + -3a = -78 + 0
-3 + -3a = -78

Add '3' to each side of the equation.
-3 + 3 + -3a = -78 + 3

Combine like terms: -3 + 3 = 0
0 + -3a = -78 + 3
-3a = -78 + 3

Combine like terms: -78 + 3 = -75
-3a = -75

Divide each side by '-3'.
a = 25

Simplifying
a = 25

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