-2a+10+9a=7a-5a

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Solution for -2a+10+9a=7a-5a equation:


Simplifying
-2a + 10 + 9a = 7a + -5a

Reorder the terms:
10 + -2a + 9a = 7a + -5a

Combine like terms: -2a + 9a = 7a
10 + 7a = 7a + -5a

Combine like terms: 7a + -5a = 2a
10 + 7a = 2a

Solving
10 + 7a = 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 + 7a + -2a = 2a + -2a

Combine like terms: 7a + -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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