7d-12+2d+5=18

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Solution for 7d-12+2d+5=18 equation:


Simplifying
7d + -12 + 2d + 5 = 18

Reorder the terms:
-12 + 5 + 7d + 2d = 18

Combine like terms: -12 + 5 = -7
-7 + 7d + 2d = 18

Combine like terms: 7d + 2d = 9d
-7 + 9d = 18

Solving
-7 + 9d = 18

Solving for variable 'd'.

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

Add '7' to each side of the equation.
-7 + 7 + 9d = 18 + 7

Combine like terms: -7 + 7 = 0
0 + 9d = 18 + 7
9d = 18 + 7

Combine like terms: 18 + 7 = 25
9d = 25

Divide each side by '9'.
d = 2.777777778

Simplifying
d = 2.777777778

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