2d+7+2d-15=0

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Solution for 2d+7+2d-15=0 equation:


Simplifying
2d + 7 + 2d + -15 = 0

Reorder the terms:
7 + -15 + 2d + 2d = 0

Combine like terms: 7 + -15 = -8
-8 + 2d + 2d = 0

Combine like terms: 2d + 2d = 4d
-8 + 4d = 0

Solving
-8 + 4d = 0

Solving for variable 'd'.

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

Add '8' to each side of the equation.
-8 + 8 + 4d = 0 + 8

Combine like terms: -8 + 8 = 0
0 + 4d = 0 + 8
4d = 0 + 8

Combine like terms: 0 + 8 = 8
4d = 8

Divide each side by '4'.
d = 2

Simplifying
d = 2

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