4(-d-7)=2(9-7d)

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Solution for 4(-d-7)=2(9-7d) equation:


Simplifying
4(-1d + -7) = 2(9 + -7d)

Reorder the terms:
4(-7 + -1d) = 2(9 + -7d)
(-7 * 4 + -1d * 4) = 2(9 + -7d)
(-28 + -4d) = 2(9 + -7d)
-28 + -4d = (9 * 2 + -7d * 2)
-28 + -4d = (18 + -14d)

Solving
-28 + -4d = 18 + -14d

Solving for variable 'd'.

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

Add '14d' to each side of the equation.
-28 + -4d + 14d = 18 + -14d + 14d

Combine like terms: -4d + 14d = 10d
-28 + 10d = 18 + -14d + 14d

Combine like terms: -14d + 14d = 0
-28 + 10d = 18 + 0
-28 + 10d = 18

Add '28' to each side of the equation.
-28 + 28 + 10d = 18 + 28

Combine like terms: -28 + 28 = 0
0 + 10d = 18 + 28
10d = 18 + 28

Combine like terms: 18 + 28 = 46
10d = 46

Divide each side by '10'.
d = 4.6

Simplifying
d = 4.6

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