-91=7(2b+5)+6(1+5b)

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Solution for -91=7(2b+5)+6(1+5b) equation:


Simplifying
-91 = 7(2b + 5) + 6(1 + 5b)

Reorder the terms:
-91 = 7(5 + 2b) + 6(1 + 5b)
-91 = (5 * 7 + 2b * 7) + 6(1 + 5b)
-91 = (35 + 14b) + 6(1 + 5b)
-91 = 35 + 14b + (1 * 6 + 5b * 6)
-91 = 35 + 14b + (6 + 30b)

Reorder the terms:
-91 = 35 + 6 + 14b + 30b

Combine like terms: 35 + 6 = 41
-91 = 41 + 14b + 30b

Combine like terms: 14b + 30b = 44b
-91 = 41 + 44b

Solving
-91 = 41 + 44b

Solving for variable 'b'.

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

Add '-44b' to each side of the equation.
-91 + -44b = 41 + 44b + -44b

Combine like terms: 44b + -44b = 0
-91 + -44b = 41 + 0
-91 + -44b = 41

Add '91' to each side of the equation.
-91 + 91 + -44b = 41 + 91

Combine like terms: -91 + 91 = 0
0 + -44b = 41 + 91
-44b = 41 + 91

Combine like terms: 41 + 91 = 132
-44b = 132

Divide each side by '-44'.
b = -3

Simplifying
b = -3

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