3-d+-2=4-2d+-4+7

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Solution for 3-d+-2=4-2d+-4+7 equation:


Simplifying
3 + -1d + -2 = 4 + -2d + -4 + 7

Reorder the terms:
3 + -2 + -1d = 4 + -2d + -4 + 7

Combine like terms: 3 + -2 = 1
1 + -1d = 4 + -2d + -4 + 7

Reorder the terms:
1 + -1d = 4 + -4 + 7 + -2d

Combine like terms: 4 + -4 = 0
1 + -1d = 0 + 7 + -2d
1 + -1d = 7 + -2d

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

Solving for variable 'd'.

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

Add '2d' to each side of the equation.
1 + -1d + 2d = 7 + -2d + 2d

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

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

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

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

Combine like terms: 7 + -1 = 6
1d = 6

Divide each side by '1'.
d = 6

Simplifying
d = 6

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