45=15+3d

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Solution for 45=15+3d equation:


Simplifying
45 = 15 + 3d

Solving
45 = 15 + 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.
45 + -3d = 15 + 3d + -3d

Combine like terms: 3d + -3d = 0
45 + -3d = 15 + 0
45 + -3d = 15

Add '-45' to each side of the equation.
45 + -45 + -3d = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -3d = 15 + -45
-3d = 15 + -45

Combine like terms: 15 + -45 = -30
-3d = -30

Divide each side by '-3'.
d = 10

Simplifying
d = 10

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