7(10-3d)=5

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Solution for 7(10-3d)=5 equation: 


Simplifying
7(10 + -3d) = 5
(10 * 7 + -3d * 7) = 5
(70 + -21d) = 5

Solving
70 + -21d = 5

Solving for variable 'd'.

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

Add '-70' to each side of the equation.
70 + -70 + -21d = 5 + -70

Combine like terms: 70 + -70 = 0
0 + -21d = 5 + -70
-21d = 5 + -70

Combine like terms: 5 + -70 = -65
-21d = -65

Divide each side by '-21'.
d = 3.095238095

Simplifying
d = 3.095238095

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