18d-15d-3d+4d+1=9

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Solution for 18d-15d-3d+4d+1=9 equation:


Simplifying
18d + -15d + -3d + 4d + 1 = 9

Reorder the terms:
1 + 18d + -15d + -3d + 4d = 9

Combine like terms: 18d + -15d = 3d
1 + 3d + -3d + 4d = 9

Combine like terms: 3d + -3d = 0
1 + 0 + 4d = 9
1 + 4d = 9

Solving
1 + 4d = 9

Solving for variable 'd'.

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

Add '-1' to each side of the equation.
1 + -1 + 4d = 9 + -1

Combine like terms: 1 + -1 = 0
0 + 4d = 9 + -1
4d = 9 + -1

Combine like terms: 9 + -1 = 8
4d = 8

Divide each side by '4'.
d = 2

Simplifying
d = 2

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