2d-8=-d+7

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Solution for 2d-8=-d+7 equation:


Simplifying
2d + -8 = -1d + 7

Reorder the terms:
-8 + 2d = -1d + 7

Reorder the terms:
-8 + 2d = 7 + -1d

Solving
-8 + 2d = 7 + -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.
-8 + 2d + d = 7 + -1d + d

Combine like terms: 2d + d = 3d
-8 + 3d = 7 + -1d + d

Combine like terms: -1d + d = 0
-8 + 3d = 7 + 0
-8 + 3d = 7

Add '8' to each side of the equation.
-8 + 8 + 3d = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 3d = 7 + 8
3d = 7 + 8

Combine like terms: 7 + 8 = 15
3d = 15

Divide each side by '3'.
d = 5

Simplifying
d = 5

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