5a+7a=-18+3a+5a

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Solution for 5a+7a=-18+3a+5a equation:


Simplifying
5a + 7a = -18 + 3a + 5a

Combine like terms: 5a + 7a = 12a
12a = -18 + 3a + 5a

Combine like terms: 3a + 5a = 8a
12a = -18 + 8a

Solving
12a = -18 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
12a + -8a = -18 + 8a + -8a

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

Combine like terms: 8a + -8a = 0
4a = -18 + 0
4a = -18

Divide each side by '4'.
a = -4.5

Simplifying
a = -4.5

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