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

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Solution for -(1+3b)-(4b+3)=-2b-7b equation:


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

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

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

Combine like terms: -1 + -3 = -4
-4 + -3b + -4b = -2b + -7b

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

Combine like terms: -2b + -7b = -9b
-4 + -7b = -9b

Solving
-4 + -7b = -9b

Solving for variable 'b'.

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

Add '9b' to each side of the equation.
-4 + -7b + 9b = -9b + 9b

Combine like terms: -7b + 9b = 2b
-4 + 2b = -9b + 9b

Combine like terms: -9b + 9b = 0
-4 + 2b = 0

Add '4' to each side of the equation.
-4 + 4 + 2b = 0 + 4

Combine like terms: -4 + 4 = 0
0 + 2b = 0 + 4
2b = 0 + 4

Combine like terms: 0 + 4 = 4
2b = 4

Divide each side by '2'.
b = 2

Simplifying
b = 2

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