9a+4=2a+18

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Solution for 9a+4=2a+18 equation:


Simplifying
9a + 4 = 2a + 18

Reorder the terms:
4 + 9a = 2a + 18

Reorder the terms:
4 + 9a = 18 + 2a

Solving
4 + 9a = 18 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
4 + 9a + -2a = 18 + 2a + -2a

Combine like terms: 9a + -2a = 7a
4 + 7a = 18 + 2a + -2a

Combine like terms: 2a + -2a = 0
4 + 7a = 18 + 0
4 + 7a = 18

Add '-4' to each side of the equation.
4 + -4 + 7a = 18 + -4

Combine like terms: 4 + -4 = 0
0 + 7a = 18 + -4
7a = 18 + -4

Combine like terms: 18 + -4 = 14
7a = 14

Divide each side by '7'.
a = 2

Simplifying
a = 2

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