2d+1+2d+1+4d-2=40

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Solution for 2d+1+2d+1+4d-2=40 equation: 


Simplifying
2d + 1 + 2d + 1 + 4d + -2 = 40

Reorder the terms:
1 + 1 + -2 + 2d + 2d + 4d = 40

Combine like terms: 1 + 1 = 2
2 + -2 + 2d + 2d + 4d = 40

Combine like terms: 2 + -2 = 0
0 + 2d + 2d + 4d = 40
2d + 2d + 4d = 40

Combine like terms: 2d + 2d = 4d
4d + 4d = 40

Combine like terms: 4d + 4d = 8d
8d = 40

Solving
8d = 40

Solving for variable 'd'.

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

Divide each side by '8'.
d = 5

Simplifying
d = 5

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