4-6(1+9d)=31

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Solution for 4-6(1+9d)=31 equation:


Simplifying
4 + -6(1 + 9d) = 31
4 + (1 * -6 + 9d * -6) = 31
4 + (-6 + -54d) = 31

Combine like terms: 4 + -6 = -2
-2 + -54d = 31

Solving
-2 + -54d = 31

Solving for variable 'd'.

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

Add '2' to each side of the equation.
-2 + 2 + -54d = 31 + 2

Combine like terms: -2 + 2 = 0
0 + -54d = 31 + 2
-54d = 31 + 2

Combine like terms: 31 + 2 = 33
-54d = 33

Divide each side by '-54'.
d = -0.6111111111

Simplifying
d = -0.6111111111

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