10a+2a=7a-5

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


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

Combine like terms: 10a + 2a = 12a
12a = 7a + -5

Reorder the terms:
12a = -5 + 7a

Solving
12a = -5 + 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.
12a + -7a = -5 + 7a + -7a

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

Combine like terms: 7a + -7a = 0
5a = -5 + 0
5a = -5

Divide each side by '5'.
a = -1

Simplifying
a = -1

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