7-(b+2)-4b=2(b+10)

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Solution for 7-(b+2)-4b=2(b+10) equation:


Simplifying
7 + -1(b + 2) + -4b = 2(b + 10)

Reorder the terms:
7 + -1(2 + b) + -4b = 2(b + 10)
7 + (2 * -1 + b * -1) + -4b = 2(b + 10)
7 + (-2 + -1b) + -4b = 2(b + 10)

Combine like terms: 7 + -2 = 5
5 + -1b + -4b = 2(b + 10)

Combine like terms: -1b + -4b = -5b
5 + -5b = 2(b + 10)

Reorder the terms:
5 + -5b = 2(10 + b)
5 + -5b = (10 * 2 + b * 2)
5 + -5b = (20 + 2b)

Solving
5 + -5b = 20 + 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.
5 + -5b + -2b = 20 + 2b + -2b

Combine like terms: -5b + -2b = -7b
5 + -7b = 20 + 2b + -2b

Combine like terms: 2b + -2b = 0
5 + -7b = 20 + 0
5 + -7b = 20

Add '-5' to each side of the equation.
5 + -5 + -7b = 20 + -5

Combine like terms: 5 + -5 = 0
0 + -7b = 20 + -5
-7b = 20 + -5

Combine like terms: 20 + -5 = 15
-7b = 15

Divide each side by '-7'.
b = -2.142857143

Simplifying
b = -2.142857143

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