15(3+d)=150

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Solution for 15(3+d)=150 equation: 


Simplifying
15(3 + d) = 150
(3 * 15 + d * 15) = 150
(45 + 15d) = 150

Solving
45 + 15d = 150

Solving for variable 'd'.

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

Add '-45' to each side of the equation.
45 + -45 + 15d = 150 + -45

Combine like terms: 45 + -45 = 0
0 + 15d = 150 + -45
15d = 150 + -45

Combine like terms: 150 + -45 = 105
15d = 105

Divide each side by '15'.
d = 7

Simplifying
d = 7

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