-3d+3(2d-5)=d+31

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Solution for -3d+3(2d-5)=d+31 equation:


Simplifying
-3d + 3(2d + -5) = d + 31

Reorder the terms:
-3d + 3(-5 + 2d) = d + 31
-3d + (-5 * 3 + 2d * 3) = d + 31
-3d + (-15 + 6d) = d + 31

Reorder the terms:
-15 + -3d + 6d = d + 31

Combine like terms: -3d + 6d = 3d
-15 + 3d = d + 31

Reorder the terms:
-15 + 3d = 31 + d

Solving
-15 + 3d = 31 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
-15 + 3d + -1d = 31 + d + -1d

Combine like terms: 3d + -1d = 2d
-15 + 2d = 31 + d + -1d

Combine like terms: d + -1d = 0
-15 + 2d = 31 + 0
-15 + 2d = 31

Add '15' to each side of the equation.
-15 + 15 + 2d = 31 + 15

Combine like terms: -15 + 15 = 0
0 + 2d = 31 + 15
2d = 31 + 15

Combine like terms: 31 + 15 = 46
2d = 46

Divide each side by '2'.
d = 23

Simplifying
d = 23

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