2.1d+18=2.16(7+8)

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Solution for 2.1d+18=2.16(7+8) equation:


Simplifying
2.1d + 18 = 2.16(7 + 8)

Reorder the terms:
18 + 2.1d = 2.16(7 + 8)

Combine like terms: 7 + 8 = 15
18 + 2.1d = 2.16(15)

Multiply 2.16 * 15
18 + 2.1d = 32.4

Solving
18 + 2.1d = 32.4

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 + 2.1d = 32.4 + -18

Combine like terms: 18 + -18 = 0
0 + 2.1d = 32.4 + -18
2.1d = 32.4 + -18

Combine like terms: 32.4 + -18 = 14.4
2.1d = 14.4

Divide each side by '2.1'.
d = 6.857142857

Simplifying
d = 6.857142857

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