2d+2d-3=7

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Solution for 2d+2d-3=7 equation: 


Simplifying
2d + 2d + -3 = 7

Reorder the terms:
-3 + 2d + 2d = 7

Combine like terms: 2d + 2d = 4d
-3 + 4d = 7

Solving
-3 + 4d = 7

Solving for variable 'd'.

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

Add '3' to each side of the equation.
-3 + 3 + 4d = 7 + 3

Combine like terms: -3 + 3 = 0
0 + 4d = 7 + 3
4d = 7 + 3

Combine like terms: 7 + 3 = 10
4d = 10

Divide each side by '4'.
d = 2.5

Simplifying
d = 2.5

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