31-3a=-6[9a-5]

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Solution for 31-3a=-6[9a-5] equation:


Simplifying
31 + -3a = -6[9a + -5]

Reorder the terms:
31 + -3a = -6[-5 + 9a]
31 + -3a = [-5 * -6 + 9a * -6]
31 + -3a = [30 + -54a]

Solving
31 + -3a = 30 + -54a

Solving for variable 'a'.

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

Add '54a' to each side of the equation.
31 + -3a + 54a = 30 + -54a + 54a

Combine like terms: -3a + 54a = 51a
31 + 51a = 30 + -54a + 54a

Combine like terms: -54a + 54a = 0
31 + 51a = 30 + 0
31 + 51a = 30

Add '-31' to each side of the equation.
31 + -31 + 51a = 30 + -31

Combine like terms: 31 + -31 = 0
0 + 51a = 30 + -31
51a = 30 + -31

Combine like terms: 30 + -31 = -1
51a = -1

Divide each side by '51'.
a = -0.01960784314

Simplifying
a = -0.01960784314

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