-5a+10+8a=7a-9a

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Solution for -5a+10+8a=7a-9a equation:


Simplifying
-5a + 10 + 8a = 7a + -9a

Reorder the terms:
10 + -5a + 8a = 7a + -9a

Combine like terms: -5a + 8a = 3a
10 + 3a = 7a + -9a

Combine like terms: 7a + -9a = -2a
10 + 3a = -2a

Solving
10 + 3a = -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.
10 + 3a + 2a = -2a + 2a

Combine like terms: 3a + 2a = 5a
10 + 5a = -2a + 2a

Combine like terms: -2a + 2a = 0
10 + 5a = 0

Add '-10' to each side of the equation.
10 + -10 + 5a = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 5a = 0 + -10
5a = 0 + -10

Combine like terms: 0 + -10 = -10
5a = -10

Divide each side by '5'.
a = -2

Simplifying
a = -2

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