7d+2=9d-5

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Solution for 7d+2=9d-5 equation:


Simplifying
7d + 2 = 9d + -5

Reorder the terms:
2 + 7d = 9d + -5

Reorder the terms:
2 + 7d = -5 + 9d

Solving
2 + 7d = -5 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
2 + 7d + -9d = -5 + 9d + -9d

Combine like terms: 7d + -9d = -2d
2 + -2d = -5 + 9d + -9d

Combine like terms: 9d + -9d = 0
2 + -2d = -5 + 0
2 + -2d = -5

Add '-2' to each side of the equation.
2 + -2 + -2d = -5 + -2

Combine like terms: 2 + -2 = 0
0 + -2d = -5 + -2
-2d = -5 + -2

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

Divide each side by '-2'.
d = 3.5

Simplifying
d = 3.5

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