12a-8a=10+2a-13-7

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Solution for 12a-8a=10+2a-13-7 equation:


Simplifying
12a + -8a = 10 + 2a + -13 + -7

Combine like terms: 12a + -8a = 4a
4a = 10 + 2a + -13 + -7

Reorder the terms:
4a = 10 + -13 + -7 + 2a

Combine like terms: 10 + -13 = -3
4a = -3 + -7 + 2a

Combine like terms: -3 + -7 = -10
4a = -10 + 2a

Solving
4a = -10 + 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.
4a + -2a = -10 + 2a + -2a

Combine like terms: 4a + -2a = 2a
2a = -10 + 2a + -2a

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

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

Simplifying
a = -5

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