7+-4d+12=23

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Solution for 7+-4d+12=23 equation: 


Simplifying
7 + -4d + 12 = 23

Reorder the terms:
7 + 12 + -4d = 23

Combine like terms: 7 + 12 = 19
19 + -4d = 23

Solving
19 + -4d = 23

Solving for variable 'd'.

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

Add '-19' to each side of the equation.
19 + -19 + -4d = 23 + -19

Combine like terms: 19 + -19 = 0
0 + -4d = 23 + -19
-4d = 23 + -19

Combine like terms: 23 + -19 = 4
-4d = 4

Divide each side by '-4'.
d = -1

Simplifying
d = -1

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