7-5a=-a-12

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Solution for 7-5a=-a-12 equation:


Simplifying
7 + -5a = -1a + -12

Reorder the terms:
7 + -5a = -12 + -1a

Solving
7 + -5a = -12 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
7 + -5a + a = -12 + -1a + a

Combine like terms: -5a + a = -4a
7 + -4a = -12 + -1a + a

Combine like terms: -1a + a = 0
7 + -4a = -12 + 0
7 + -4a = -12

Add '-7' to each side of the equation.
7 + -7 + -4a = -12 + -7

Combine like terms: 7 + -7 = 0
0 + -4a = -12 + -7
-4a = -12 + -7

Combine like terms: -12 + -7 = -19
-4a = -19

Divide each side by '-4'.
a = 4.75

Simplifying
a = 4.75

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