3-2d=4(2d-7)

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Solution for 3-2d=4(2d-7) equation:


Simplifying
3 + -2d = 4(2d + -7)

Reorder the terms:
3 + -2d = 4(-7 + 2d)
3 + -2d = (-7 * 4 + 2d * 4)
3 + -2d = (-28 + 8d)

Solving
3 + -2d = -28 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
3 + -2d + -8d = -28 + 8d + -8d

Combine like terms: -2d + -8d = -10d
3 + -10d = -28 + 8d + -8d

Combine like terms: 8d + -8d = 0
3 + -10d = -28 + 0
3 + -10d = -28

Add '-3' to each side of the equation.
3 + -3 + -10d = -28 + -3

Combine like terms: 3 + -3 = 0
0 + -10d = -28 + -3
-10d = -28 + -3

Combine like terms: -28 + -3 = -31
-10d = -31

Divide each side by '-10'.
d = 3.1

Simplifying
d = 3.1

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