5d+6(d-7)=30+2d

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Solution for 5d+6(d-7)=30+2d equation:


Simplifying
5d + 6(d + -7) = 30 + 2d

Reorder the terms:
5d + 6(-7 + d) = 30 + 2d
5d + (-7 * 6 + d * 6) = 30 + 2d
5d + (-42 + 6d) = 30 + 2d

Reorder the terms:
-42 + 5d + 6d = 30 + 2d

Combine like terms: 5d + 6d = 11d
-42 + 11d = 30 + 2d

Solving
-42 + 11d = 30 + 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.
-42 + 11d + -2d = 30 + 2d + -2d

Combine like terms: 11d + -2d = 9d
-42 + 9d = 30 + 2d + -2d

Combine like terms: 2d + -2d = 0
-42 + 9d = 30 + 0
-42 + 9d = 30

Add '42' to each side of the equation.
-42 + 42 + 9d = 30 + 42

Combine like terms: -42 + 42 = 0
0 + 9d = 30 + 42
9d = 30 + 42

Combine like terms: 30 + 42 = 72
9d = 72

Divide each side by '9'.
d = 8

Simplifying
d = 8

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