3a-15=6a-27

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Solution for 3a-15=6a-27 equation:


Simplifying
3a + -15 = 6a + -27

Reorder the terms:
-15 + 3a = 6a + -27

Reorder the terms:
-15 + 3a = -27 + 6a

Solving
-15 + 3a = -27 + 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.
-15 + 3a + -6a = -27 + 6a + -6a

Combine like terms: 3a + -6a = -3a
-15 + -3a = -27 + 6a + -6a

Combine like terms: 6a + -6a = 0
-15 + -3a = -27 + 0
-15 + -3a = -27

Add '15' to each side of the equation.
-15 + 15 + -3a = -27 + 15

Combine like terms: -15 + 15 = 0
0 + -3a = -27 + 15
-3a = -27 + 15

Combine like terms: -27 + 15 = -12
-3a = -12

Divide each side by '-3'.
a = 4

Simplifying
a = 4

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