4a+18+8a=7a-9a

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Solution for 4a+18+8a=7a-9a equation:


Simplifying
4a + 18 + 8a = 7a + -9a

Reorder the terms:
18 + 4a + 8a = 7a + -9a

Combine like terms: 4a + 8a = 12a
18 + 12a = 7a + -9a

Combine like terms: 7a + -9a = -2a
18 + 12a = -2a

Solving
18 + 12a = -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 + 12a + 2a = -2a + 2a

Combine like terms: 12a + 2a = 14a
18 + 14a = -2a + 2a

Combine like terms: -2a + 2a = 0
18 + 14a = 0

Add '-18' to each side of the equation.
18 + -18 + 14a = 0 + -18

Combine like terms: 18 + -18 = 0
0 + 14a = 0 + -18
14a = 0 + -18

Combine like terms: 0 + -18 = -18
14a = -18

Divide each side by '14'.
a = -1.285714286

Simplifying
a = -1.285714286

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