72-(3a-4)=12

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Solution for 72-(3a-4)=12 equation:


Simplifying
72 + -1(3a + -4) = 12

Reorder the terms:
72 + -1(-4 + 3a) = 12
72 + (-4 * -1 + 3a * -1) = 12
72 + (4 + -3a) = 12

Combine like terms: 72 + 4 = 76
76 + -3a = 12

Solving
76 + -3a = 12

Solving for variable 'a'.

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

Add '-76' to each side of the equation.
76 + -76 + -3a = 12 + -76

Combine like terms: 76 + -76 = 0
0 + -3a = 12 + -76
-3a = 12 + -76

Combine like terms: 12 + -76 = -64
-3a = -64

Divide each side by '-3'.
a = 21.33333333

Simplifying
a = 21.33333333

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