4d-40=7(-2d+2)

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Solution for 4d-40=7(-2d+2) equation:


Simplifying
4d + -40 = 7(-2d + 2)

Reorder the terms:
-40 + 4d = 7(-2d + 2)

Reorder the terms:
-40 + 4d = 7(2 + -2d)
-40 + 4d = (2 * 7 + -2d * 7)
-40 + 4d = (14 + -14d)

Solving
-40 + 4d = 14 + -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.
-40 + 4d + 14d = 14 + -14d + 14d

Combine like terms: 4d + 14d = 18d
-40 + 18d = 14 + -14d + 14d

Combine like terms: -14d + 14d = 0
-40 + 18d = 14 + 0
-40 + 18d = 14

Add '40' to each side of the equation.
-40 + 40 + 18d = 14 + 40

Combine like terms: -40 + 40 = 0
0 + 18d = 14 + 40
18d = 14 + 40

Combine like terms: 14 + 40 = 54
18d = 54

Divide each side by '18'.
d = 3

Simplifying
d = 3

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