54-5a=7a-12

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Solution for 54-5a=7a-12 equation:


Simplifying
54 + -5a = 7a + -12

Reorder the terms:
54 + -5a = -12 + 7a

Solving
54 + -5a = -12 + 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.
54 + -5a + -7a = -12 + 7a + -7a

Combine like terms: -5a + -7a = -12a
54 + -12a = -12 + 7a + -7a

Combine like terms: 7a + -7a = 0
54 + -12a = -12 + 0
54 + -12a = -12

Add '-54' to each side of the equation.
54 + -54 + -12a = -12 + -54

Combine like terms: 54 + -54 = 0
0 + -12a = -12 + -54
-12a = -12 + -54

Combine like terms: -12 + -54 = -66
-12a = -66

Divide each side by '-12'.
a = 5.5

Simplifying
a = 5.5

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