3d-7-(5-2d)=x

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Solution for 3d-7-(5-2d)=x equation:


Simplifying
3d + -7 + -1(5 + -2d) = x
3d + -7 + (5 * -1 + -2d * -1) = x
3d + -7 + (-5 + 2d) = x

Reorder the terms:
-7 + -5 + 3d + 2d = x

Combine like terms: -7 + -5 = -12
-12 + 3d + 2d = x

Combine like terms: 3d + 2d = 5d
-12 + 5d = x

Solving
-12 + 5d = x

Solving for variable 'd'.

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

Add '12' to each side of the equation.
-12 + 12 + 5d = 12 + x

Combine like terms: -12 + 12 = 0
0 + 5d = 12 + x
5d = 12 + x

Divide each side by '5'.
d = 2.4 + 0.2x

Simplifying
d = 2.4 + 0.2x

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