d-(-7)=15

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Solution for d-(-7)=15 equation: 


Simplifying
d + -1(-7) = 15

Multiply -1 * -7
d + 7 = 15

Reorder the terms:
7 + d = 15

Solving
7 + d = 15

Solving for variable 'd'.

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

Add '-7' to each side of the equation.
7 + -7 + d = 15 + -7

Combine like terms: 7 + -7 = 0
0 + d = 15 + -7
d = 15 + -7

Combine like terms: 15 + -7 = 8
d = 8

Simplifying
d = 8

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