-2.5(d-7.2)-4.7d=-10.8

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Solution for -2.5(d-7.2)-4.7d=-10.8 equation:


Simplifying
-2.5(d + -7.2) + -4.7d = -10.8

Reorder the terms:
-2.5(-7.2 + d) + -4.7d = -10.8
(-7.2 * -2.5 + d * -2.5) + -4.7d = -10.8
(18 + -2.5d) + -4.7d = -10.8

Combine like terms: -2.5d + -4.7d = -7.2d
18 + -7.2d = -10.8

Solving
18 + -7.2d = -10.8

Solving for variable 'd'.

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

Add '-18' to each side of the equation.
18 + -18 + -7.2d = -10.8 + -18

Combine like terms: 18 + -18 = 0
0 + -7.2d = -10.8 + -18
-7.2d = -10.8 + -18

Combine like terms: -10.8 + -18 = -28.8
-7.2d = -28.8

Divide each side by '-7.2'.
d = 4

Simplifying
d = 4

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