8d+7=4d+19

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Solution for 8d+7=4d+19 equation:


Simplifying
8d + 7 = 4d + 19

Reorder the terms:
7 + 8d = 4d + 19

Reorder the terms:
7 + 8d = 19 + 4d

Solving
7 + 8d = 19 + 4d

Solving for variable 'd'.

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

Add '-4d' to each side of the equation.
7 + 8d + -4d = 19 + 4d + -4d

Combine like terms: 8d + -4d = 4d
7 + 4d = 19 + 4d + -4d

Combine like terms: 4d + -4d = 0
7 + 4d = 19 + 0
7 + 4d = 19

Add '-7' to each side of the equation.
7 + -7 + 4d = 19 + -7

Combine like terms: 7 + -7 = 0
0 + 4d = 19 + -7
4d = 19 + -7

Combine like terms: 19 + -7 = 12
4d = 12

Divide each side by '4'.
d = 3

Simplifying
d = 3

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