5(b+9)-7(4b-3)=

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Solution for 5(b+9)-7(4b-3)= equation:


Simplifying
5(b + 9) + -7(4b + -3) = 0

Reorder the terms:
5(9 + b) + -7(4b + -3) = 0
(9 * 5 + b * 5) + -7(4b + -3) = 0
(45 + 5b) + -7(4b + -3) = 0

Reorder the terms:
45 + 5b + -7(-3 + 4b) = 0
45 + 5b + (-3 * -7 + 4b * -7) = 0
45 + 5b + (21 + -28b) = 0

Reorder the terms:
45 + 21 + 5b + -28b = 0

Combine like terms: 45 + 21 = 66
66 + 5b + -28b = 0

Combine like terms: 5b + -28b = -23b
66 + -23b = 0

Solving
66 + -23b = 0

Solving for variable 'b'.

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

Add '-66' to each side of the equation.
66 + -66 + -23b = 0 + -66

Combine like terms: 66 + -66 = 0
0 + -23b = 0 + -66
-23b = 0 + -66

Combine like terms: 0 + -66 = -66
-23b = -66

Divide each side by '-23'.
b = 2.869565217

Simplifying
b = 2.869565217

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