7=9d+7-5d

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Solution for 7=9d+7-5d equation:


Simplifying
7 = 9d + 7 + -5d

Reorder the terms:
7 = 7 + 9d + -5d

Combine like terms: 9d + -5d = 4d
7 = 7 + 4d

Add '-7' to each side of the equation.
7 + -7 = 7 + -7 + 4d

Combine like terms: 7 + -7 = 0
0 = 7 + -7 + 4d

Combine like terms: 7 + -7 = 0
0 = 0 + 4d
0 = 4d

Solving
0 = 4d

Solving for variable 'd'.

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

Add '-4d' to each side of the equation.
0 + -4d = 4d + -4d
Remove the zero:
-4d = 4d + -4d

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

Divide each side by '-4'.
d = 0

Simplifying
d = 0

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