20+2d+d+10+d=222

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Solution for 20+2d+d+10+d=222 equation:


Simplifying
20 + 2d + d + 10 + d = 222

Reorder the terms:
20 + 10 + 2d + d + d = 222

Combine like terms: 20 + 10 = 30
30 + 2d + d + d = 222

Combine like terms: 2d + d = 3d
30 + 3d + d = 222

Combine like terms: 3d + d = 4d
30 + 4d = 222

Solving
30 + 4d = 222

Solving for variable 'd'.

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

Add '-30' to each side of the equation.
30 + -30 + 4d = 222 + -30

Combine like terms: 30 + -30 = 0
0 + 4d = 222 + -30
4d = 222 + -30

Combine like terms: 222 + -30 = 192
4d = 192

Divide each side by '4'.
d = 48

Simplifying
d = 48

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