.4d-37=7d+18

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Solution for .4d-37=7d+18 equation:


Simplifying
0.4d + -37 = 7d + 18

Reorder the terms:
-37 + 0.4d = 7d + 18

Reorder the terms:
-37 + 0.4d = 18 + 7d

Solving
-37 + 0.4d = 18 + 7d

Solving for variable 'd'.

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

Add '-7d' to each side of the equation.
-37 + 0.4d + -7d = 18 + 7d + -7d

Combine like terms: 0.4d + -7d = -6.6d
-37 + -6.6d = 18 + 7d + -7d

Combine like terms: 7d + -7d = 0
-37 + -6.6d = 18 + 0
-37 + -6.6d = 18

Add '37' to each side of the equation.
-37 + 37 + -6.6d = 18 + 37

Combine like terms: -37 + 37 = 0
0 + -6.6d = 18 + 37
-6.6d = 18 + 37

Combine like terms: 18 + 37 = 55
-6.6d = 55

Divide each side by '-6.6'.
d = -8.333333333

Simplifying
d = -8.333333333

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