3d+4d-5=6d+7d+7

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Solution for 3d+4d-5=6d+7d+7 equation:


Simplifying
3d + 4d + -5 = 6d + 7d + 7

Reorder the terms:
-5 + 3d + 4d = 6d + 7d + 7

Combine like terms: 3d + 4d = 7d
-5 + 7d = 6d + 7d + 7

Reorder the terms:
-5 + 7d = 7 + 6d + 7d

Combine like terms: 6d + 7d = 13d
-5 + 7d = 7 + 13d

Solving
-5 + 7d = 7 + 13d

Solving for variable 'd'.

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

Add '-13d' to each side of the equation.
-5 + 7d + -13d = 7 + 13d + -13d

Combine like terms: 7d + -13d = -6d
-5 + -6d = 7 + 13d + -13d

Combine like terms: 13d + -13d = 0
-5 + -6d = 7 + 0
-5 + -6d = 7

Add '5' to each side of the equation.
-5 + 5 + -6d = 7 + 5

Combine like terms: -5 + 5 = 0
0 + -6d = 7 + 5
-6d = 7 + 5

Combine like terms: 7 + 5 = 12
-6d = 12

Divide each side by '-6'.
d = -2

Simplifying
d = -2

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