-7(9a-4)=31

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Solution for -7(9a-4)=31 equation:


Simplifying
-7(9a + -4) = 31

Reorder the terms:
-7(-4 + 9a) = 31
(-4 * -7 + 9a * -7) = 31
(28 + -63a) = 31

Solving
28 + -63a = 31

Solving for variable 'a'.

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

Add '-28' to each side of the equation.
28 + -28 + -63a = 31 + -28

Combine like terms: 28 + -28 = 0
0 + -63a = 31 + -28
-63a = 31 + -28

Combine like terms: 31 + -28 = 3
-63a = 3

Divide each side by '-63'.
a = -0.04761904762

Simplifying
a = -0.04761904762

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