7d-10=9d-4

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Solution for 7d-10=9d-4 equation:


Simplifying
7d + -10 = 9d + -4

Reorder the terms:
-10 + 7d = 9d + -4

Reorder the terms:
-10 + 7d = -4 + 9d

Solving
-10 + 7d = -4 + 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.
-10 + 7d + -9d = -4 + 9d + -9d

Combine like terms: 7d + -9d = -2d
-10 + -2d = -4 + 9d + -9d

Combine like terms: 9d + -9d = 0
-10 + -2d = -4 + 0
-10 + -2d = -4

Add '10' to each side of the equation.
-10 + 10 + -2d = -4 + 10

Combine like terms: -10 + 10 = 0
0 + -2d = -4 + 10
-2d = -4 + 10

Combine like terms: -4 + 10 = 6
-2d = 6

Divide each side by '-2'.
d = -3

Simplifying
d = -3

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