2a-18=3a-27

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Solution for 2a-18=3a-27 equation:


Simplifying
2a + -18 = 3a + -27

Reorder the terms:
-18 + 2a = 3a + -27

Reorder the terms:
-18 + 2a = -27 + 3a

Solving
-18 + 2a = -27 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-18 + 2a + -3a = -27 + 3a + -3a

Combine like terms: 2a + -3a = -1a
-18 + -1a = -27 + 3a + -3a

Combine like terms: 3a + -3a = 0
-18 + -1a = -27 + 0
-18 + -1a = -27

Add '18' to each side of the equation.
-18 + 18 + -1a = -27 + 18

Combine like terms: -18 + 18 = 0
0 + -1a = -27 + 18
-1a = -27 + 18

Combine like terms: -27 + 18 = -9
-1a = -9

Divide each side by '-1'.
a = 9

Simplifying
a = 9

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