4(b-7)-(b+5)=2(1-b)

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Solution for 4(b-7)-(b+5)=2(1-b) equation:


Simplifying
4(b + -7) + -1(b + 5) = 2(1 + -1b)

Reorder the terms:
4(-7 + b) + -1(b + 5) = 2(1 + -1b)
(-7 * 4 + b * 4) + -1(b + 5) = 2(1 + -1b)
(-28 + 4b) + -1(b + 5) = 2(1 + -1b)

Reorder the terms:
-28 + 4b + -1(5 + b) = 2(1 + -1b)
-28 + 4b + (5 * -1 + b * -1) = 2(1 + -1b)
-28 + 4b + (-5 + -1b) = 2(1 + -1b)

Reorder the terms:
-28 + -5 + 4b + -1b = 2(1 + -1b)

Combine like terms: -28 + -5 = -33
-33 + 4b + -1b = 2(1 + -1b)

Combine like terms: 4b + -1b = 3b
-33 + 3b = 2(1 + -1b)
-33 + 3b = (1 * 2 + -1b * 2)
-33 + 3b = (2 + -2b)

Solving
-33 + 3b = 2 + -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.
-33 + 3b + 2b = 2 + -2b + 2b

Combine like terms: 3b + 2b = 5b
-33 + 5b = 2 + -2b + 2b

Combine like terms: -2b + 2b = 0
-33 + 5b = 2 + 0
-33 + 5b = 2

Add '33' to each side of the equation.
-33 + 33 + 5b = 2 + 33

Combine like terms: -33 + 33 = 0
0 + 5b = 2 + 33
5b = 2 + 33

Combine like terms: 2 + 33 = 35
5b = 35

Divide each side by '5'.
b = 7

Simplifying
b = 7

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