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

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


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

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

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

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

Solving
10 + 2a = 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
10 + 2a + -7a = 7a + -7a

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

Combine like terms: 7a + -7a = 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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