2a+18+9a=5a-7a

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Solution for 2a+18+9a=5a-7a equation:


Simplifying
2a + 18 + 9a = 5a + -7a

Reorder the terms:
18 + 2a + 9a = 5a + -7a

Combine like terms: 2a + 9a = 11a
18 + 11a = 5a + -7a

Combine like terms: 5a + -7a = -2a
18 + 11a = -2a

Solving
18 + 11a = -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.
18 + 11a + 2a = -2a + 2a

Combine like terms: 11a + 2a = 13a
18 + 13a = -2a + 2a

Combine like terms: -2a + 2a = 0
18 + 13a = 0

Add '-18' to each side of the equation.
18 + -18 + 13a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 13a = 0 + -18
13a = 0 + -18

Combine like terms: 0 + -18 = -18
13a = -18

Divide each side by '13'.
a = -1.384615385

Simplifying
a = -1.384615385

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