7d-4+2=19

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Solution for 7d-4+2=19 equation: 


Simplifying
7d + -4 + 2 = 19

Reorder the terms:
-4 + 2 + 7d = 19

Combine like terms: -4 + 2 = -2
-2 + 7d = 19

Solving
-2 + 7d = 19

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 + 7d = 19 + 2

Combine like terms: -2 + 2 = 0
0 + 7d = 19 + 2
7d = 19 + 2

Combine like terms: 19 + 2 = 21
7d = 21

Divide each side by '7'.
d = 3

Simplifying
d = 3

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