8+4d-7=4-d

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Solution for 8+4d-7=4-d equation:


Simplifying
8 + 4d + -7 = 4 + -1d

Reorder the terms:
8 + -7 + 4d = 4 + -1d

Combine like terms: 8 + -7 = 1
1 + 4d = 4 + -1d

Solving
1 + 4d = 4 + -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.
1 + 4d + d = 4 + -1d + d

Combine like terms: 4d + d = 5d
1 + 5d = 4 + -1d + d

Combine like terms: -1d + d = 0
1 + 5d = 4 + 0
1 + 5d = 4

Add '-1' to each side of the equation.
1 + -1 + 5d = 4 + -1

Combine like terms: 1 + -1 = 0
0 + 5d = 4 + -1
5d = 4 + -1

Combine like terms: 4 + -1 = 3
5d = 3

Divide each side by '5'.
d = 0.6

Simplifying
d = 0.6

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