3-(2b-4)=2-7b

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Solution for 3-(2b-4)=2-7b equation:


Simplifying
3 + -1(2b + -4) = 2 + -7b

Reorder the terms:
3 + -1(-4 + 2b) = 2 + -7b
3 + (-4 * -1 + 2b * -1) = 2 + -7b
3 + (4 + -2b) = 2 + -7b

Combine like terms: 3 + 4 = 7
7 + -2b = 2 + -7b

Solving
7 + -2b = 2 + -7b

Solving for variable 'b'.

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

Add '7b' to each side of the equation.
7 + -2b + 7b = 2 + -7b + 7b

Combine like terms: -2b + 7b = 5b
7 + 5b = 2 + -7b + 7b

Combine like terms: -7b + 7b = 0
7 + 5b = 2 + 0
7 + 5b = 2

Add '-7' to each side of the equation.
7 + -7 + 5b = 2 + -7

Combine like terms: 7 + -7 = 0
0 + 5b = 2 + -7
5b = 2 + -7

Combine like terms: 2 + -7 = -5
5b = -5

Divide each side by '5'.
b = -1

Simplifying
b = -1

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