7d+2=3d-4

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


Simplifying
7d + 2 = 3d + -4

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

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

Solving
2 + 7d = -4 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
2 + 7d + -3d = -4 + 3d + -3d

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

Combine like terms: 3d + -3d = 0
2 + 4d = -4 + 0
2 + 4d = -4

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

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

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

Divide each side by '4'.
d = -1.5

Simplifying
d = -1.5

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