-91=4(3a-6)+5

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Solution for -91=4(3a-6)+5 equation:


Simplifying
-91 = 4(3a + -6) + 5

Reorder the terms:
-91 = 4(-6 + 3a) + 5
-91 = (-6 * 4 + 3a * 4) + 5
-91 = (-24 + 12a) + 5

Reorder the terms:
-91 = -24 + 5 + 12a

Combine like terms: -24 + 5 = -19
-91 = -19 + 12a

Solving
-91 = -19 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-91 + -12a = -19 + 12a + -12a

Combine like terms: 12a + -12a = 0
-91 + -12a = -19 + 0
-91 + -12a = -19

Add '91' to each side of the equation.
-91 + 91 + -12a = -19 + 91

Combine like terms: -91 + 91 = 0
0 + -12a = -19 + 91
-12a = -19 + 91

Combine like terms: -19 + 91 = 72
-12a = 72

Divide each side by '-12'.
a = -6

Simplifying
a = -6

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