15-9d-4d=5-3d

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Solution for 15-9d-4d=5-3d equation:


Simplifying
15 + -9d + -4d = 5 + -3d

Combine like terms: -9d + -4d = -13d
15 + -13d = 5 + -3d

Solving
15 + -13d = 5 + -3d

Solving for variable 'd'.

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

Add '3d' to each side of the equation.
15 + -13d + 3d = 5 + -3d + 3d

Combine like terms: -13d + 3d = -10d
15 + -10d = 5 + -3d + 3d

Combine like terms: -3d + 3d = 0
15 + -10d = 5 + 0
15 + -10d = 5

Add '-15' to each side of the equation.
15 + -15 + -10d = 5 + -15

Combine like terms: 15 + -15 = 0
0 + -10d = 5 + -15
-10d = 5 + -15

Combine like terms: 5 + -15 = -10
-10d = -10

Divide each side by '-10'.
d = 1

Simplifying
d = 1

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