4-3(6d-9)=18+7d

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Solution for 4-3(6d-9)=18+7d equation:


Simplifying
4 + -3(6d + -9) = 18 + 7d

Reorder the terms:
4 + -3(-9 + 6d) = 18 + 7d
4 + (-9 * -3 + 6d * -3) = 18 + 7d
4 + (27 + -18d) = 18 + 7d

Combine like terms: 4 + 27 = 31
31 + -18d = 18 + 7d

Solving
31 + -18d = 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.
31 + -18d + -7d = 18 + 7d + -7d

Combine like terms: -18d + -7d = -25d
31 + -25d = 18 + 7d + -7d

Combine like terms: 7d + -7d = 0
31 + -25d = 18 + 0
31 + -25d = 18

Add '-31' to each side of the equation.
31 + -31 + -25d = 18 + -31

Combine like terms: 31 + -31 = 0
0 + -25d = 18 + -31
-25d = 18 + -31

Combine like terms: 18 + -31 = -13
-25d = -13

Divide each side by '-25'.
d = 0.52

Simplifying
d = 0.52

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