7=5-2d

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Solution for 7=5-2d equation:


Simplifying
7 = 5 + -2d

Solving
7 = 5 + -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.
7 + 2d = 5 + -2d + 2d

Combine like terms: -2d + 2d = 0
7 + 2d = 5 + 0
7 + 2d = 5

Add '-7' to each side of the equation.
7 + -7 + 2d = 5 + -7

Combine like terms: 7 + -7 = 0
0 + 2d = 5 + -7
2d = 5 + -7

Combine like terms: 5 + -7 = -2
2d = -2

Divide each side by '2'.
d = -1

Simplifying
d = -1

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