3.6d+1.2=8.4(d-1)

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Solution for 3.6d+1.2=8.4(d-1) equation: 


Simplifying
3.6d + 1.2 = 8.4(d + -1)

Reorder the terms:
1.2 + 3.6d = 8.4(d + -1)

Reorder the terms:
1.2 + 3.6d = 8.4(-1 + d)
1.2 + 3.6d = (-1 * 8.4 + d * 8.4)
1.2 + 3.6d = (-8.4 + 8.4d)

Solving
1.2 + 3.6d = -8.4 + 8.4d

Solving for variable 'd'.

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

Add '-8.4d' to each side of the equation.
1.2 + 3.6d + -8.4d = -8.4 + 8.4d + -8.4d

Combine like terms: 3.6d + -8.4d = -4.8d
1.2 + -4.8d = -8.4 + 8.4d + -8.4d

Combine like terms: 8.4d + -8.4d = 0.0
1.2 + -4.8d = -8.4 + 0.0
1.2 + -4.8d = -8.4

Add '-1.2' to each side of the equation.
1.2 + -1.2 + -4.8d = -8.4 + -1.2

Combine like terms: 1.2 + -1.2 = 0.0
0.0 + -4.8d = -8.4 + -1.2
-4.8d = -8.4 + -1.2

Combine like terms: -8.4 + -1.2 = -9.6
-4.8d = -9.6

Divide each side by '-4.8'.
d = 2

Simplifying
d = 2

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