4d-8=7d+7

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


Simplifying
4d + -8 = 7d + 7

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

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

Solving
-8 + 4d = 7 + 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
-8 + 4d + -7d = 7 + 7d + -7d

Combine like terms: 4d + -7d = -3d
-8 + -3d = 7 + 7d + -7d

Combine like terms: 7d + -7d = 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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