-90=6(2a-1)

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Solution for -90=6(2a-1) equation:


Simplifying
-90 = 6(2a + -1)

Reorder the terms:
-90 = 6(-1 + 2a)
-90 = (-1 * 6 + 2a * 6)
-90 = (-6 + 12a)

Solving
-90 = -6 + 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.
-90 + -12a = -6 + 12a + -12a

Combine like terms: 12a + -12a = 0
-90 + -12a = -6 + 0
-90 + -12a = -6

Add '90' to each side of the equation.
-90 + 90 + -12a = -6 + 90

Combine like terms: -90 + 90 = 0
0 + -12a = -6 + 90
-12a = -6 + 90

Combine like terms: -6 + 90 = 84
-12a = 84

Divide each side by '-12'.
a = -7

Simplifying
a = -7

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