2[10b+7]-1=73

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Solution for 2[10b+7]-1=73 equation:


Simplifying
2[10b + 7] + -1 = 73

Reorder the terms:
2[7 + 10b] + -1 = 73
[7 * 2 + 10b * 2] + -1 = 73
[14 + 20b] + -1 = 73

Reorder the terms:
14 + -1 + 20b = 73

Combine like terms: 14 + -1 = 13
13 + 20b = 73

Solving
13 + 20b = 73

Solving for variable 'b'.

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

Add '-13' to each side of the equation.
13 + -13 + 20b = 73 + -13

Combine like terms: 13 + -13 = 0
0 + 20b = 73 + -13
20b = 73 + -13

Combine like terms: 73 + -13 = 60
20b = 60

Divide each side by '20'.
b = 3

Simplifying
b = 3

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