2[d-2d-7+2]=2d+10

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Solution for 2[d-2d-7+2]=2d+10 equation:


Simplifying
2[d + -2d + -7 + 2] = 2d + 10

Reorder the terms:
2[-7 + 2 + d + -2d] = 2d + 10

Combine like terms: -7 + 2 = -5
2[-5 + d + -2d] = 2d + 10

Combine like terms: d + -2d = -1d
2[-5 + -1d] = 2d + 10
[-5 * 2 + -1d * 2] = 2d + 10
[-10 + -2d] = 2d + 10

Reorder the terms:
-10 + -2d = 10 + 2d

Solving
-10 + -2d = 10 + 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.
-10 + -2d + -2d = 10 + 2d + -2d

Combine like terms: -2d + -2d = -4d
-10 + -4d = 10 + 2d + -2d

Combine like terms: 2d + -2d = 0
-10 + -4d = 10 + 0
-10 + -4d = 10

Add '10' to each side of the equation.
-10 + 10 + -4d = 10 + 10

Combine like terms: -10 + 10 = 0
0 + -4d = 10 + 10
-4d = 10 + 10

Combine like terms: 10 + 10 = 20
-4d = 20

Divide each side by '-4'.
d = -5

Simplifying
d = -5

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