6a+18=5a+20

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Solution for 6a+18=5a+20 equation:


Simplifying
6a + 18 = 5a + 20

Reorder the terms:
18 + 6a = 5a + 20

Reorder the terms:
18 + 6a = 20 + 5a

Solving
18 + 6a = 20 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
18 + 6a + -5a = 20 + 5a + -5a

Combine like terms: 6a + -5a = 1a
18 + 1a = 20 + 5a + -5a

Combine like terms: 5a + -5a = 0
18 + 1a = 20 + 0
18 + 1a = 20

Add '-18' to each side of the equation.
18 + -18 + 1a = 20 + -18

Combine like terms: 18 + -18 = 0
0 + 1a = 20 + -18
1a = 20 + -18

Combine like terms: 20 + -18 = 2
1a = 2

Divide each side by '1'.
a = 2

Simplifying
a = 2

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