40=5*d+7

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Solution for 40=5*d+7 equation:


Simplifying
40 = 5d + 7

Reorder the terms:
40 = 7 + 5d

Solving
40 = 7 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
40 + -5d = 7 + 5d + -5d

Combine like terms: 5d + -5d = 0
40 + -5d = 7 + 0
40 + -5d = 7

Add '-40' to each side of the equation.
40 + -40 + -5d = 7 + -40

Combine like terms: 40 + -40 = 0
0 + -5d = 7 + -40
-5d = 7 + -40

Combine like terms: 7 + -40 = -33
-5d = -33

Divide each side by '-5'.
d = 6.6

Simplifying
d = 6.6

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