5(20-d)=3(2d-7)

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Solution for 5(20-d)=3(2d-7) equation:


Simplifying
5(20 + -1d) = 3(2d + -7)
(20 * 5 + -1d * 5) = 3(2d + -7)
(100 + -5d) = 3(2d + -7)

Reorder the terms:
100 + -5d = 3(-7 + 2d)
100 + -5d = (-7 * 3 + 2d * 3)
100 + -5d = (-21 + 6d)

Solving
100 + -5d = -21 + 6d

Solving for variable 'd'.

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

Add '-6d' to each side of the equation.
100 + -5d + -6d = -21 + 6d + -6d

Combine like terms: -5d + -6d = -11d
100 + -11d = -21 + 6d + -6d

Combine like terms: 6d + -6d = 0
100 + -11d = -21 + 0
100 + -11d = -21

Add '-100' to each side of the equation.
100 + -100 + -11d = -21 + -100

Combine like terms: 100 + -100 = 0
0 + -11d = -21 + -100
-11d = -21 + -100

Combine like terms: -21 + -100 = -121
-11d = -121

Divide each side by '-11'.
d = 11

Simplifying
d = 11

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