7-3d=10-d

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Solution for 7-3d=10-d equation:


Simplifying
7 + -3d = 10 + -1d

Solving
7 + -3d = 10 + -1d

Solving for variable 'd'.

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

Add 'd' to each side of the equation.
7 + -3d + d = 10 + -1d + d

Combine like terms: -3d + d = -2d
7 + -2d = 10 + -1d + d

Combine like terms: -1d + d = 0
7 + -2d = 10 + 0
7 + -2d = 10

Add '-7' to each side of the equation.
7 + -7 + -2d = 10 + -7

Combine like terms: 7 + -7 = 0
0 + -2d = 10 + -7
-2d = 10 + -7

Combine like terms: 10 + -7 = 3
-2d = 3

Divide each side by '-2'.
d = -1.5

Simplifying
d = -1.5

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