34=2(7-b)

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Solution for 34=2(7-b) equation:


Simplifying
34 = 2(7 + -1b)
34 = (7 * 2 + -1b * 2)
34 = (14 + -2b)

Solving
34 = 14 + -2b

Solving for variable 'b'.

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

Add '2b' to each side of the equation.
34 + 2b = 14 + -2b + 2b

Combine like terms: -2b + 2b = 0
34 + 2b = 14 + 0
34 + 2b = 14

Add '-34' to each side of the equation.
34 + -34 + 2b = 14 + -34

Combine like terms: 34 + -34 = 0
0 + 2b = 14 + -34
2b = 14 + -34

Combine like terms: 14 + -34 = -20
2b = -20

Divide each side by '2'.
b = -10

Simplifying
b = -10

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