7=d-0.9

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Solution for 7=d-0.9 equation:


Simplifying
7 = d + -0.9

Reorder the terms:
7 = -0.9 + d

Solving
7 = -0.9 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
7 + -1d = -0.9 + d + -1d

Combine like terms: d + -1d = 0
7 + -1d = -0.9 + 0
7 + -1d = -0.9

Add '-7' to each side of the equation.
7 + -7 + -1d = -0.9 + -7

Combine like terms: 7 + -7 = 0
0 + -1d = -0.9 + -7
-1d = -0.9 + -7

Combine like terms: -0.9 + -7 = -7.9
-1d = -7.9

Divide each side by '-1'.
d = 7.9

Simplifying
d = 7.9

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